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Methicillin-Resistant Staphylococcus aureus

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By Targets:	Antibiotic (49) Antifolate (1) Apoptosis (3) Autophagy (3) Bacterial (177) Bcl-2 Family (1) CGRP Receptor (1) Checkpoint Kinase (Chk) (1) Cholinesterase (ChE) (2) ClpP (2) COX (3) Cytochrome P450 (4) Dihydrofolate reductase (DHFR) (5) DNA Alkylator/Crosslinker (1) DNA/RNA Synthesis (7) Drug Derivative (4) Drug Isomer (1) Drug Metabolite (1) Endogenous Metabolite (5) Endothelin Receptor (1) Fungal (12) HIV (2) Insecticide (1) Interleukin Related (2) JNK (1) Lactate Dehydrogenase (1) Lipase (1) Mitophagy (2) NO Synthase (1) Nuclear Hormone Receptor 4A/NR4A (1) p38 MAPK (1) Parasite (3) Penicillin-binding protein (PBP) (5) PERK (1) Phosphatase (1) Proteasome (2) Pyruvate Kinase (1) Reactive Oxygen Species (ROS) (11) Reference Standards (4) SARS-CoV (1) Ser/Thr Kinase (1) SOD (1) TNF Receptor (2) Topoisomerase (6) Tyrosinase (1) UGT (1)
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193

Inhibitors & Agonists

Fluorescent Dyes

Biochemical Assay Reagents

Peptides

Natural
Products

Click Chemistry

GMP Molecules

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-A0097

Teicoplanin 1 Publications Verification Antibiotic MDL-507; MDL-507	Bacterial Antibiotic	Infection
Teicoplanin is a glycopeptide antibiotic indicated for use in serious infections caused by Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus and Enterococcus aureus.Teicoplanin shows antiviral activity for HIV-1, SARS-CoV1 and SARS-CoV2. Teicoplanin sodium shows anti-MRSA activity .

HY-B1924

Norvancomycin monohydrochloride 1 Publications Verification N-Demethylvancomycin monohydrochloride; NVCM monohydrochloride	Bacterial	Infection
Norvancomycin hydrochloride is a cell wall synthesis inhibitor targeting peptidoglycan precursors of Gram-positive bacteria and cannot pass the blood-brain barrier. Norvancomycin hydrochloride can competitively bind to peptidoglycan precursors, irreversibly inhibit bacterial cell wall synthesis, and exert antibacterial activity. Norvancomycin hydrochloride is mainly used in the study of Gram-positive bacterial infections, especially infections caused by methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-resistant Staphylococcus epidermidis (MRSE). Norvancomycin hydrochloride can also be incorporated into the bionic calcium phosphate coating of titanium implants to enhance antibacterial activity and inhibit postoperative orthopedic infections .

HY-A0279

Pristinamycin Pristinamycine	Bacterial Antibiotic	Infection
Pristinamycin, produced by Streptomyces pristinaespiralis, is an orally active streptogramin-like antibiotic consisting of two chemically unrelated components: Pristinamycin I (PI) and Pristinamycin II (PII). Pristinamycin is highly active against many antibiotic-resistant pathogens, particularly Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus (MRSA), Vancomycin-resistant S. aureus (VRSA) and Enterococcus faecium (VREF) .

HY-14926

Levonadifloxacin (S)-(-)-Nadifloxacin; WCK 771	Antibiotic Bacterial	Infection
Levonadifloxacin ((S)-(-)-Nadifloxacin; WCK 771) is a broad-spectrum anti-staphylococcal agent. Levonadifloxacin shows antibacterial activity against Methicillin (HY-121544)-susceptible Staphylococcus aureus (MSSA) and Methicillin-resistant S. aureus (MRSA) strains, with a reduction of which phagocytized in THP-1 monocytes .

HY-N15451

Deoxytopsentin	Pyruvate Kinase	Infection
Deoxytopsentin (compound 5) is a marine bisindole alkaloid and also a MRSA pyruvate kinase inhibitor. Deoxytopsentin exists in sponges. Deoxytopsentin exhibits antibacterial activity against methicillin-resistant Staphylococcus aureus strains in vitro .

HY-156198

Bottromycin A2	Antibiotic Bacterial	Infection
Bottromycin A2 is a natural antibiotic. Bottromycin A2 is active against methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE) .

HY-122735

Inh2-B1	Ser/Thr Kinase Bacterial	Infection
Inh2-B1 is a Ser/Thr protein kinase (STK1) inhibitor. Inh2-B1 specifically inhibits STK1 activity by directly binding to its ATP-binding catalytic domain. Inh2-B1 down-regulates cell wall hydrolase genes and disrupts the biofilm formation of Methicillin-resistant Staphylococcus aureus (MRSA) clearly .

HY-142124

Kalimantacin A	Antibiotic Bacterial	Infection
Kalimantacin A is a potent antibiotic. Kalimantacin A shows antibacterial activity against staphylococcus including methicillin-resistant staphylococcus aureus (MRSA) .

HY-127155

Kigamicin C	Bacterial Antibiotic	Infection Cancer
Kigamicin C is an anti-tumor antibiotic that selectively kills pancreatic cancer PANC-1 cells only in nutrient-poor conditions. Kigamicin C has antimicrobial activity against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) .

HY-128384

Benzyldodecyldimethylammonium chloride dihydrate	Bacterial	Infection
Benzyldodecyldimethylammonium chloride dihydrate is a quaternary ammonium compound (QAC) and can be used as a biocide to target antibiotic-resistant bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA), multidrug-resistant (MDR) P. aeruginosa et. al. Benzyldodecyldimethylammonium chloride dihydrate, an antimicrobial agent, bacteriostatic or bactericidal properties depending on the concentration.

HY-178912

Anti-MRSA agent 39	Reactive Oxygen Species (ROS) Bacterial ClpP	Infection Inflammation/Immunology
Anti-MRSA agent 39 is an orally active ClpX modulator that binds Staphylococcus aureus caseinolytic protease X (SaClpX) with high affinity (K_d = 3.6 μM). Anti-MRSA agent 39 exerts antibacterial effects through temperature-dependent inhibition of cell division. Anti-MRSA agent 39 elicits profound metabolic dysregulation in methicillin-resistant Staphylococcus aureus (MRSA), manifesting as significantly reduced ATP levels, elevated reactive oxygen species (ROS), and decreased NAD+/NADH ratio, and accelerates bacterial lysis rates in MRSA ATCC 33591. Anti-MRSA agent 39 significantly increases the proportion of MRSA cells in the mitotic phase, and the cells exhibit obvious morphological abnormalities. Anti-MRSA agent 39 can be used for the study of invasive MRSA infections .

HY-N7010

(-)-Corynoxidine	Cholinesterase (ChE) Bacterial	Infection
(-)-Corynoxidine is an acetylcholinesterase inhibitor with an IC₅₀ value of 89.0 μM, isolated from the aerial parts of Corydalis speciosa . (-)-Corynoxidine exhibits antibacterial activities against Staphylococcus aureus and methicillin-resistant S. aureus strains in different degrees .

HY-124199

Cephalochromin	Antibiotic Bacterial	Infection
Cephalochromin is an antibiotic and an inhibitor for bacterial fatty acid synthase (FabI). Cephalochromin inhibits FabI of Staphylococcus aureus and Escherichia coli with IC₅₀ of 1.9 and 1.8 μM. Cephalochromin inhibits gram-positive methicillin-resistant S. aureus (MRSA) and quinolone-resistant S. aureus (QRSA), with MIC of 2-8 µg/mL .

HY-146458

Antibacterial agent 102	Bacterial Cytochrome P450	Infection
Antibacterial agent 102 (compound 32) possesses potent in vitro and in vivo antibacterial activity, with MICs < 0.5 μg/mL in Staphylococcus aureus (S. aureus). Antibacterial agent 102 also moderately inhibits CYP3A4 with an IC₅₀ value of 6.148 μM. Antibacterial agent 102 can reduce Methicillin-resistant Staphylococcus aureus (MRSA) load in thigh infected mice .

HY-A0097A

Teicoplanin sodium Antibiotic MDL-507 sodium; MDL-507 sodium	Antibiotic HIV SARS-CoV	Infection
Teicoplanin sodium is a glycopeptide antibiotic indicated for use in serious infections caused by Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus and Enterococcus aureus.Teicoplanin sodium shows antiviral activity for HIV-1, SARS-CoV1 and SARS-CoV2. Teicoplanin sodium shows anti-MRSA activity .

HY-175301

TH16	Bacterial Reactive Oxygen Species (ROS)	Infection
TH16 is an antibacterial agent (MIC=2 μg/mL against methicillin-resistant Staphylococcus aureus, MRSA). TH16 disrupts bacterial cytoplasmic membrane integrity, elevating intracellular reactive oxygen species (ROS) levels to induce bacterial death. TH16 is promising for research of bacterial infection .

HY-135422

Nidulin Methylustin	Bacterial Fungal	Infection
Nidulin (Methylustin) is a depsidone isolated from a marine fungus Aspergillus unguis. Nidulin shows antifungal and antibacterial against pathogenetic strains, Pseudomonas aeruginosa, Methicillin-resistant Staphylococcus aureus and Candida albicans with inhibition zones of 9.5 mm, 9.0 mm and 9.0 mm, respectively. Nidulin exhibits potent larvicidality against brine shrimp .

HY-163073

Anti-MRSA agent 9	Bacterial	Infection
Anti-MRSA agent 9 (compound 39) shows antibacterial effects against clinically isolated methicillin-resistant Staphylococcus aureus (MRSA) with MIC values of 1 μg/ml. Anti-MRSA agent 9 also shows anti-MRSA efficacy in vivo .

HY-161803

Anti-MRSA agent 12	Antibiotic Bacterial	Infection
Anti-MRSA agent 12 (Compound SM-5) is an antibiotic, which exhibits antibacterial activity against Staphylococcus aureus, S. epidermidis and Escherichia coli with MIC of 7.81, 7.81 and 62.5 μM. Anti-MRSA agent 12 inhibits the methicillin-resistant S. aureus (MRSA) through inhibition of biofilm formation .

HY-N3789

Dunnianol	Bacterial	Infection
Dunnianol is a natural sesqui-neoligan with moderate antibacterial activity. Dunnianol inhibits **Staphylococcus aureus** and methicillin-resistant Staphylococcus aureus (MRSA).

HY-161823

Anti-MRSA agent 13	Bacterial	Infection
Anti-MRSA agent 13 (Compound 9b) is an agent against methicillin-resistant Staphylococcus aureus (MRSA), exhibiting a minimum inhibitory concentration (MIC) of 0.5–2 μg/mL against clinically isolated MRSA strains. Anti-MRSA agent 13 possesses favorable biosafety, plasma tolerance stability, and a low tendency to develop resistance. Anti-MRSA agent 13 disrupts cell walls and membranes, reduces metabolic activity, causes oxidative damage, affects DNA function, and ultimately leads to MRSA death through multi-target synergies .

HY-N3989

Haplopine	Bacterial UGT Interleukin Related SOD COX	Infection Inflammation/Immunology
Haplopine is a substance with anti-inflammatory, antioxidant and photoactivated antibacterial activities. It also acts as an inhibitor of UGT1A7 and a photoactivated restriction endonuclease inhibitor. Haplopine inhibits the mRNA/protein expression of IL-6, TSLP, GM-CSF, G-CSF, IL-4, IL-13 and COX-2, while upregulating the mRNA/protein expression of SOD, CAT and HO-1. Haplopine inhibits the glucuronidation reaction catalyzed by UGT1A7 through competitive hydrophobic binding. Haplopine exerts photoactivated restriction endonuclease inhibitory effects by binding to DNA. Haplopine exhibits photoactivated activity against methicillin-resistant Staphylococcus aureus. Haplopine alleviates symptoms of atopic dermatitis. Haplopine can be used in research related to atopic dermatitis and methicillin-resistant Staphylococcus aureus infections .

HY-N15435

Conimine	Bacterial	Infection
Conimine is a steroidal alkaloid, antibacterial agent and potentiator. Conimine is isolated from the seeds of Holarrhena antidysenteriaca Wall.ex A.DC. Conimine exhibits intrinsic antibacterial activity against methicillin-sensitive **Staphylococcus aureus** and methicillin-resistant **Staphylococcus aureus*. When combined with Penicillin, Conimine shows synergistic antibacterial effects against methicillin-resistant* **Staphylococcus aureus*; when combined with Vancomycin (HY-B0671), it exerts synergistic antibacterial effects against both methicillin-sensitive and methicillin-resistant* **Staphylococcus aureus** .

HY-115965

VP-4604	Bacterial Antibiotic	Infection
VP-4604 is a potent anti-methicillin-resistant Staphylococcus aureus (MRSA) agent. VP-4604 exhibits significant microbial growth inhibition toward Staphylococcus aureus (ATCC 43300) with MIC of 4-8 µg/mL. VP-4604 inhibits the growth of methicillin‐resistant Staphylococcus aureus with growth inhibition >95% .

HY-115964

VP-4556	Bacterial Antibiotic	Infection
VP-4556 is a potent anti-methicillin-resistant Staphylococcus aureus (MRSA) agent. VP-4556 exhibits significant microbial growth inhibition toward Staphylococcus aureus (ATCC 43300) with MIC of 8 µg/mL. VP-4556 inhibits the growth of methicillin‐resistant Staphylococcus aureus with growth inhibition >95% .

HY-N14125

Chloroquinocin	Bacterial	Infection
Chloroquinocin has moderate activity against Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) .

HY-163716

Antibacterial agent 222	Bacterial	Infection
Antibacterial agent 222 ((R)-O30 (5)) is a antimicrobial agent that inhibits methicillin-resistant Staphylococcus aureus (MRSA) .

HY-N8186

(3R)-7,4’-Dihydrohomoisoflavanone	Bacterial	Infection
(3R)-7,4’-Dihydrohomoisoflavanone is a natural product with antibacterial activities against S. aureus and methicillin-resistant Staphylococcus aureus (MRSA) .

HY-N13885

Amythiamicin A	Antibiotic Bacterial Parasite	Infection
Amythiamicin A is an antimicrobial antibiotic against Gram-positive bacteria (including methicillin-resistant Staphylococcus aureus (MRSA)) and activity against Plasmodium falciparum .

HY-N14118

Chloropolysporin B	Bacterial	Infection
Chloropolysporin B has strong activity of anti-Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) and enterococcus bacteria .

HY-N14673

Helvecardin A	Antibiotic Bacterial	Infection
Helvecardin A is a glycopeptidtic antibiotic. Helvecardin A has strong activity of anti-aerobic and anaerobic Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus .

HY-N13881

Amythiamicin C	Antibiotic Bacterial Parasite	Infection
Amythiamicin C is an antimicrobial antibiotic against Gram-positive bacteria (including methicillin-resistant Staphylococcus aureus (MRSA)) and activity against Plasmodium falciparum .

HY-157142

Antibacterial agent 165	Bacterial	Infection
Antibacterial agent 165 (compound 3), a hydroxyquinoline derivative, is a potent bacterial inhibitor. Antibacterial agent 165 inhibits methicillin-resistant Staphylococcus aureus (MRSA) .

HY-157141

Antibacterial agent 163	Bacterial	Infection
Antibacterial agent 163 (compound 1), a hydroxyquinoline derivative, is a potent bacterial inhibitor. Antibacterial agent 163 inhibits methicillin-resistant Staphylococcus aureus (MRSA) .

HY-N14470

Kigamicin A	Bacterial	Infection
Kigamicin A shows activity against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) with MICs of 0.025-0.78 μg/mL .

HY-115965R

VP-4604 (Standard)	Reference Standards Bacterial Antibiotic	Infection
VP-4604 (Standard) is the analytical standard of VP-4604. This product is intended for research and analytical applications. VP-4604 is a potent anti-methicillin-resistant Staphylococcus aureus (MRSA) agent. VP-4604 exhibits significant microbial growth inhibition toward Staphylococcus aureus (ATCC 43300) with MIC of 4-8 μg/mL. VP-4604 inhibits the growth of methicillin‐resistant Staphylococcus aureus with growth inhibition >95%[1].

HY-N14476

Kigamicin B	Bacterial	Infection
Kigamicin B shows activity against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) with MICs of 0.025-0.78 μg/mL .

HY-N14675

Helvecardin B	Antibiotic Bacterial	Infection
Helvecardin B is a glycopeptidtic antibiotic. Helvecardin B has strong activity of anti-aerobic and anaerobic Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus .

HY-N14706

Kibdelin A	Bacterial	Infection
Kibdelin A is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-157482

EBP-59	Bacterial	Infection
EBP-59 is a bacterial inhibitor with antibiofilm activity against Gram-positive bacteria. EBP-59 is effective against Staphylococcus aureus and MRSA (methicillin–resistant staphylococcus aureus). EBP-59 can be used to study bacterial infections .

HY-N14707

Kibdelin B	Bacterial	Infection
Kibdelin B is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-N14710

Kibdelin D	Bacterial	Infection
Kibdelin D is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-116168

Aldecalmycin	Antibiotic Bacterial	Infection
Aldecalmycin is an antibiotic showing antimicrobial activities against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) with MICs values of 6.25-25 μg/mL .

HY-170567

DNA gyrase/Topo IV-IN-1	Topoisomerase Bacterial Antibiotic	Infection
DNA gyrase/Topo IV-IN-1 (Compound 27) is an inhibitor of DNA gyrase and topoisomerase IV, exhibiting antibacterial activity. For Escherichia coli and methicillin-resistant Staphylococcus aureus DNA gyrases, DNA gyrase/Topo IV-IN-1 has an IC₅₀ of 11 and 17 nM respectively, and for topoisomerase IV of Escherichia coli and methicillin-resistant Staphylococcus aureus, the IC₅₀ values are 83 and 21 nM respectively. DNA gyrase/Topo IV-IN-1 can be used for research in the field of anti-infection .

HY-163906

Anti-MRSA agent 16	Bacterial	Infection
Anti-MRSA agent 16 (Compound 4) is an inhibitor of methicillin-resistant Staphylococcus aureus (MRSA). Anti-MRSA agent 16 is effective in combination with oxacillin or meropenem in infected mice .

HY-N14709

Kibdelin C2	Bacterial	Infection
Kibdelin C2 is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-N14708

Kibdelin C1	Bacterial	Infection
Kibdelin C1 is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-174273

Antibacterial agent 280	Bacterial	Infection
Antibacterial agent 280 (Compound 7af) is an antibacterial agent targeting methicillin-resistant and vancomycin-resistant Staphylococcus aureus (MRSA, VRSA). Antibacterial agent 280 is promising for research of is promising for research of S. aureus infections .

HY-122008

ORM-3819	Bacterial	Infection
Levonadifloxacin ((S)-(-)-Nadifloxacin; WCK 771) arginine is a broad-spectrum antistaphylococcal agent. Levonadifloxacin arginine has antimicrobial activity against methicillin-susceptible Staphylococcus aureus (MSSA) and methicillin-resistant Staphylococcus aureus and reduces phagocytosis of MRSA and MSSA strains by monocytic THP-1.

HY-14926B

Levonadifloxacin arginine (S)-(-)-Nadifloxacin arginine; WCK 771 arginine	Bacterial	Infection
Levonadifloxacin ((S)-(-)-Nadifloxacin; WCK 771) arginine is a broad-spectrum antistaphylococcal agent. Levonadifloxacin arginine has antimicrobial activity against methicillin-sensitive Staphylococcus aureus (MSSA) and methicillin-resistant Staphylococcus aureus and reduces phagocytosis of MRSA and MSSA strains by monocytic THP-1 cells .

Cat. No.	Product Name	Type

HY-13067G

Celastrol

Tripterine; Tripterin

Fluorescent Dyes

Celastrol (GMP) (Tripterine (GMP)) is Celastrol (HY-10227) produced by using GMP guidelines. GMP small molecules works appropriately as an auxiliary reagent for cell therapy manufacture. Celastrol (Tripterine;Tripterin) is a proteasome inhibitor which potently and preferentially inhibits the chymotrypsin-like activity of a purified 20S proteasome with IC₅₀ of 2.5 μM. In addition, Celastrol is also an antibiotic with potent antimicrobial activity against standard and clinical methicillin-resistant Staphylococcus aureus (MRSA) strains, inducing oxidative stress and inhibiting DNA synthesis by binding to P5CDH .

Cat. No.	Product Name	Type

HY-W250308A

ε-Poly-L-lysine hydrochloride (MV 2000-5000)

Epsilon-polylysine hydrochloride (MV 2000-5000); ε-Polylysine hydrochloride (MV 2000-5000); ε-PL hydrochloride (MV 2000-5000)

Biochemical Assay Reagents

ε-Poly-L-lysine (Epsilon-polylysine; ε-Polylysine) hydrochloride (MV 2000-5000) is a polycationic antibacterial agent with broad-spectrum activity against Gram-positive bacteria, Gram-negative bacteria, fungi, yeasts and specific bacteriophages. ε-Poly-L-lysine hydrochloride (MV 2000-5000) exerts bactericidal effects through mechanisms such as disrupting microbial membranes, inducing ROS production, inhibiting metabolism and spore germination. ε-Poly-L-lysine hydrochloride (MV 2000-5000) also regulates the expression of multiple key genes including sodA, oxyR and recA. ε-Poly-L-lysine hydrochloride (MV 2000-5000) exhibits properties such as low eukaryotic cytotoxicity, thermal stability and pH stability, and supports tissue regeneration and anti-tumor applications. ε-Poly-L-lysine hydrochloride (MV 2000-5000) can be applied in research fields including bacterial and fungal infections, diabetic ulcers, and methicillin-resistant Staphylococcus aureus infections .

HY-13067G

Celastrol

Tripterine; Tripterin

Biochemical Assay Reagents

HY-69174

1-Amino-2,5-anhydro-1-deoxy-D-mannitol

Biochemical Assay Reagents

1-Amino-2,5-anhydro-1-deoxy-D-mannitol is a potent antibacterial compound with antibacterial activity against a variety of Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE). The application potential of 1-Amino-2,5-anhydro-1-deoxy-D-mannitol lies in its ability to effectively combat common drug-resistant bacterial infections. 1-Amino-2,5-anhydro-1-deoxy-D-mannitol may become an emerging antibacterial agent in clinical inhibition.

Cat. No.	Product Name	Target	Research Area

HY-P10486

AIP-II	Bacterial	Infection
AIP-II is a cyclic peptide signaling molecule for quorum sensing, which is produced by Staphylococcus aureus. AIP-II potently inhibits AgrC-III in Methicillin (HY-121544)-resistant type III Staphylococcus aureus strain AH1747, with an IC50 of 0.532 nM. AIP-II binds to the AgrC-II receptor and regulates virulence gene expression in Staphylococcus aureus .

HY-P2460

SMAP-29	Bacterial Fungal Interleukin Related TNF Receptor	Infection Inflammation/Immunology
SMAP‑29 is a cathelicidin antimicrobial peptide with LPS‑binding and anti‑inflammatory properties. SMAP‑29 exerts broad‑spectrum antimicrobial activity against bacteria, fungi and multidrug‑resistant isolates. SMAP‑29 kills pathogens by permeabilizing bacterial membranes, inducing depolarization and cell lysis, and also inhibits inflammatory cytokines while reducing lethality in septic shock and pneumonia models. SMAP-29 can be used for research on bacterial infections, drug-resistant infections, septic shock .

HY-P11191

AR-23	Bacterial	Infection
AR-23 is a melittin-related antimicrobial peptide that can be isolated from Rana tagoi. AR-23 exhibits broad-spectrum growth inhibitory activity against aerobic bacteria, the opportunistic yeast pathogen Candida albicans and clinical isolates of Methicillin (HY-121544)-resistant Staphylococcus aureus (MRSA). AR-23 can be used for antimicrobial research .

HY-P11622

Gramicidin S analogue 9	Drug Derivative	Infection
Gramicidin S analogue 9 is a bactericidal agent that can be found as a cyclic peptide analogue. Gramicidin S analogue 9 disrupts bacterial cell membranes. Gramicidin S analogue 9 can be used for the research of methicillin-resistant staphylococcus aureus infection .

HY-P11607

CyLip-10	Bacterial	Infection
CyLip-10 is a microbial-derived cyclic-lipid antimicrobial peptide. CyLip-10 has broad-spectrum antimicrobial efficacy, low hemolytic activity, and excellent stability. CyLip-10 can disrupt membrane integrity, inhibit biofilm formation and induce membrane permeabilization and bacterial cell death. CyLip-10 reduces bacterial load, promotes wound healing, and alleviates inflammatory responses in a mouse Methicillin (HY-121544)-resistant Staphylococcus aureus skin wound infection model. CyLip-10 can be used for the bacterial infection .

HY-P11616

WK2	Bacterial TNF Receptor	Infection
WK2 is an antibacterial agent. WK2 reduces serum TNF-α production induced by Bacterial infection. WK2 reduces wound size and promotes tissue repair in a skin wound infection model. WK2 exerts anti-inflammatory effects in a pneumonia model. WK2 can be used for research on infectious diseases such as pneumonia caused by bacterial infection .

HY-P11615

FuK	Bacterial	Infection
FuK is a WK₂-analog antimicrobial peptide modified with fluorinated unnatural amino acids. FuK has an LD₅₀ of 72.34 mg/kg in mice, shows no hemolytic activity, with high stability against trypsin, chymotrypsin, and saline environments. FuK exerts bactericidal effects by enhancing the permeability of bacterial outer membranes, inducing depolarization of cytoplasmic membranes, and disrupting membrane potential balance against bacterias such as Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, and MRSA. FuK exhibits synergistic antimicrobial activity with polymyxin B (HY-149179), vancomycin (HY-B0671), and ciprofloxacin (HY-B0356), and also inhibits Ciprofloxacin-induced bacterial drug resistance. FuK has in vivo safety, effectively reduces bacterial load and inflammatory cell infiltration in a mouse MRSA model, and promotes collagen fiber formation in skin wounds .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-13067

Celastrol 60+ Cited Publications Tripterine; Tripterin	Triterpenes Structural Classification Classification of Application Fields Anti-aging Terpenoids Celastraceae Tripterygium wilfordii Hook. f. Plants Inflammation/Immunology Disease Research Fields Source Classification Cancer	Proteasome Autophagy Mitophagy Apoptosis Endogenous Metabolite Antibiotic Bacterial Nuclear Hormone Receptor 4A/NR4A
Celastrol (Tripterine;Tripterin) is a proteasome inhibitor which potently and preferentially inhibits the chymotrypsin-like activity of a purified 20S proteasome with IC₅₀ of 2.5 μM. In addition, Celastrol is also an antibiotic with potent antimicrobial activity against standard and clinical methicillin-resistant **Staphylococcus aureus** (MRSA) strains, inducing oxidative stress and inhibiting DNA synthesis by binding to P5CDH .

HY-A0097

Teicoplanin 1 Publications Verification Antibiotic MDL-507; MDL-507	Infection Microorganisms Polyphenols Disease Research Fields Source Classification	Bacterial Antibiotic
Teicoplanin is a glycopeptide antibiotic indicated for use in serious infections caused by Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus and Enterococcus aureus.Teicoplanin shows antiviral activity for HIV-1, SARS-CoV1 and SARS-CoV2. Teicoplanin sodium shows anti-MRSA activity .

HY-A0279

Pristinamycin Pristinamycine	Infection Microorganisms Macrolide Antibiotics Classification of Application Fields Antibiotics Antibacterial Disease Research Disease Research Fields Source Classification	Bacterial Antibiotic
Pristinamycin, produced by Streptomyces pristinaespiralis, is an orally active streptogramin-like antibiotic consisting of two chemically unrelated components: Pristinamycin I (PI) and Pristinamycin II (PII). Pristinamycin is highly active against many antibiotic-resistant pathogens, particularly Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus (MRSA), Vancomycin-resistant S. aureus (VRSA) and Enterococcus faecium (VREF) .

HY-N10765

Salvinolone	Structural Classification Terpenoids Labiatae Diterpenoids Plants Vachellia nilotica (L.) P. J. H. Hurter & Mabb. Source Classification	Bacterial
Salvinolone is active against methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus* (VRE).* Salvinolone shows cytotoxic activity with an IC₅₀ of 47.6 μM against the HL-60 tumor cell line for 72 h .

HY-N15451

Deoxytopsentin	Structural Classification Alkaloids Marine natural products Sponge Indole Alkaloids Source Classification	Pyruvate Kinase
Deoxytopsentin (compound 5) is a marine bisindole alkaloid and also a MRSA pyruvate kinase inhibitor. Deoxytopsentin exists in sponges. Deoxytopsentin exhibits antibacterial activity against methicillin-resistant Staphylococcus aureus strains in vitro .

HY-156198

Bottromycin A2	Microorganisms Antibiotics Other Antibiotics Source Classification	Antibiotic Bacterial
Bottromycin A2 is a natural antibiotic. Bottromycin A2 is active against methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE) .

HY-N0241

Rhodionin	Flavonols Structural Classification Classification of Application Fields Crassulaceae Metabolic Disease Plants Rhodiola crenulata (HK. f. et.Thoms) H. Ohba Flavonoids Rhodiola rosea Linn. Phenols Polyphenols Disease Research Fields Source Classification	Cholinesterase (ChE) Lipase Bacterial Cytochrome P450
Rhodionin is an orally active, multifunctional antivirulence and cytoprotective agent that targets and inhibits Lipase, sortase A (SrtA), CYP2D6 (IC₅₀=0.761 μM), AChE (IC₅₀=2.43-57.5 μM), and DPPH free radicals (IC₅₀=19.49 μM). Rhodionin is isolable from the roots of Rhodiola crenulata. Rhodionin reduces postprandial serum triglyceride levels in mice by inhibiting lipase activity. Rhodionin also binds directly to SrtA to inhibit its transpeptidase activity, thereby reducing the fibrinogen adhesion and surface protein A levels of MRSA, effectively inhibiting biofilm formation and protecting against MRSA-induced cell damage. Rhodionin improves the survival rate of infected mice without affecting MRSA growth, and finds wide application in studies related to hyperlipidemia, exogenous obesity, and pneumonia induced by methicillin-resistant Staphylococcus aureus (MRSA) .

HY-127072

Amicoumacin A	Structural Classification Microorganisms Antibiotics Other Antibiotics Source Classification	Antibiotic Bacterial
Amicoumacin A is an orally active antibiotic. Amicoumacin A targets bacterial ribosomes and inhibits bacterial translation by stabilizing the interaction between mRNA and ribosomes. Amicoumacin A induces cancer cell death by targeting eukaryotic ribosomes. Amicoumacin A exhibits anti-inflammatory and anti-ulcer activities, inhibits carrageenan-induced paw edema, and prevents stress-induced gastric ulcers. Amicoumacin A inhibits the growth of Gram-positive bacteria, Salmonella spp., Shigella spp., Helicobacter pylori, and methicillin-resistant Staphylococcus aureus. Amicoumacin A can be used in the research of lung cancer, breast cancer, bacterial infections, inflammatory edema and gastric ulcers ^[2] .

HY-142124

Kalimantacin A	Infection Microorganisms Classification of Application Fields Antibiotics Antibacterial Disease Research Disease Research Fields Other Antibiotics Source Classification	Antibiotic Bacterial
Kalimantacin A is a potent antibiotic. Kalimantacin A shows antibacterial activity against staphylococcus including methicillin-resistant staphylococcus aureus (MRSA) .

HY-127155

Kigamicin C	Microorganisms Lignans Phenylpropanoids Source Classification	Bacterial Antibiotic
Kigamicin C is an anti-tumor antibiotic that selectively kills pancreatic cancer PANC-1 cells only in nutrient-poor conditions. Kigamicin C has antimicrobial activity against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) .

HY-W060074

1-Acetyl-β-carboline	Infection Alkaloids Structural Classification Microorganisms Classification of Application Fields Pyridine Alkaloids Disease Research Fields Indole Alkaloids Source Classification	Endogenous Metabolite Bacterial Tyrosinase PERK
1-Acetyl-β-carboline is a metabolite of Streptomyces kasugaensis and antibacterial agent. 1-Acetyl-β-carboline increases tyrosinase activity, reduces ERK phosphorylation. 1-Acetyl-β-carboline exhibits antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) strains with MICs ranging from 128 to 256 ug/mL. 1-Acetyl-β-carboline increases the melanin .

HY-N10834

(6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol	Natural Products Plants Compositae Source Classification Erythrina sigmoidea Hua	Bacterial
(6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol is an antibacterial compound. (6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol can be isolated from the roots of Atractylodes japonica. (6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol has anti-methicillin-resistant Staphylococcus aureus (MRSA) activity with MIC values of 4-32 μg/mL. (6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol can be used for the research of bacterial infection . (6E,12E)-Tetradecadiene-8,10-diyne-1,3-diol is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-N7010

(-)-Corynoxidine	Infection Alkaloids Classification of Application Fields Corydalis speciosa Maxim. Plants Isoquinoline Alkaloids Disease Research Fields Papaveraceae Source Classification	Cholinesterase (ChE) Bacterial
(-)-Corynoxidine is an acetylcholinesterase inhibitor with an IC₅₀ value of 89.0 μM, isolated from the aerial parts of Corydalis speciosa . (-)-Corynoxidine exhibits antibacterial activities against Staphylococcus aureus and methicillin-resistant S. aureus strains in different degrees .

HY-124199

Cephalochromin	Microorganisms Antibiotics Other Antibiotics Source Classification	Antibiotic Bacterial
Cephalochromin is an antibiotic and an inhibitor for bacterial fatty acid synthase (FabI). Cephalochromin inhibits FabI of Staphylococcus aureus and Escherichia coli with IC₅₀ of 1.9 and 1.8 μM. Cephalochromin inhibits gram-positive methicillin-resistant S. aureus (MRSA) and quinolone-resistant S. aureus (QRSA), with MIC of 2-8 µg/mL .

HY-N16403

Aspergillusidone F	Structural Classification Natural Products Microorganisms Source Classification	Cytochrome P450 Endogenous Metabolite Bacterial Insecticide Fungal
Aspergillusidone F is a Depsidone and antibacterial agent. Aspergillusidone F can be isolated from a marine fungus Aspergillus unguis. Aspergillusidone F potently inhibits Aromatase with an IC₅₀ of 0.5 μM. Aspergillusidone F exhibits antibacterial activity against Pseudomonas aeruginosa and Methicillin (HY-121544)-resistant Staphylococcus aureus. Aspergillusidone F exhibits potent larvicidal activity against Artemia salina larvae, with an LC₅₀ value of 12.8 μM. Aspergillusidone F exhibits anticancer activity against intrahepatic cholangiocarcinoma, non-small cell lung cancer, and acute lymphoblastic leukemia .

HY-A0097A

Teicoplanin sodium Antibiotic MDL-507 sodium; MDL-507 sodium	Phenols Polyphenols Endogenous metabolite Source Classification	Antibiotic HIV SARS-CoV
Teicoplanin sodium is a glycopeptide antibiotic indicated for use in serious infections caused by Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus and Enterococcus aureus.Teicoplanin sodium shows antiviral activity for HIV-1, SARS-CoV1 and SARS-CoV2. Teicoplanin sodium shows anti-MRSA activity .

HY-135422

Nidulin Methylustin	Natural Products Microorganisms Source Classification	Bacterial Fungal
Nidulin (Methylustin) is a depsidone isolated from a marine fungus Aspergillus unguis. Nidulin shows antifungal and antibacterial against pathogenetic strains, Pseudomonas aeruginosa, Methicillin-resistant Staphylococcus aureus and Candida albicans with inhibition zones of 9.5 mm, 9.0 mm and 9.0 mm, respectively. Nidulin exhibits potent larvicidality against brine shrimp .

HY-N15272

Artocarpesin	Flavanonols Flavonoids Plants Moraceae Source Classification	Bacterial COX NO Synthase Reactive Oxygen Species (ROS) p38 MAPK
Artocarpesin is a flavonoid compound. Artocarpesin has inhibitory effects on methicillin-resistant Staphylococcus aureus (MRSA). Artocarpesin inhibits the production of NO, PGE₂ and ROS by inhibiting COX-2 and iNOS expression, and plays an anti-inflammatory role. In addition, Artocarpesin inhibits platelet aggregation by inhibiting cyclic nucleotides and MAPKs, which can be used in the study of cardiovascular diseases .

HY-N3789

Dunnianol	Infection Classification of Application Fields Lignans Illicium dunnianum Tutch. Phenols Polyphenols Illiciaceae Phenylpropanoids Plants Disease Research Fields Source Classification	Bacterial
Dunnianol is a natural sesqui-neoligan with moderate antibacterial activity. Dunnianol inhibits **Staphylococcus aureus** and methicillin-resistant Staphylococcus aureus (MRSA).

HY-N3989

Haplopine	Infection Alkaloids Structural Classification Monophenols other families Classification of Application Fields Phenols Quinoline Alkaloids Plants Disease Research Fields Source Classification	Bacterial UGT Interleukin Related SOD COX
Haplopine is a substance with anti-inflammatory, antioxidant and photoactivated antibacterial activities. It also acts as an inhibitor of UGT1A7 and a photoactivated restriction endonuclease inhibitor. Haplopine inhibits the mRNA/protein expression of IL-6, TSLP, GM-CSF, G-CSF, IL-4, IL-13 and COX-2, while upregulating the mRNA/protein expression of SOD, CAT and HO-1. Haplopine inhibits the glucuronidation reaction catalyzed by UGT1A7 through competitive hydrophobic binding. Haplopine exerts photoactivated restriction endonuclease inhibitory effects by binding to DNA. Haplopine exhibits photoactivated activity against methicillin-resistant Staphylococcus aureus. Haplopine alleviates symptoms of atopic dermatitis. Haplopine can be used in research related to atopic dermatitis and methicillin-resistant Staphylococcus aureus infections .

HY-N15435

Conimine	Apocynaceae Structural Classification Alkaloids Other Alkaloids Plants Holarrhena antidysenterica Roth Source Classification	Bacterial
Conimine is a steroidal alkaloid, antibacterial agent and potentiator. Conimine is isolated from the seeds of Holarrhena antidysenteriaca Wall.ex A.DC. Conimine exhibits intrinsic antibacterial activity against methicillin-sensitive **Staphylococcus aureus** and methicillin-resistant **Staphylococcus aureus*. When combined with Penicillin, Conimine shows synergistic antibacterial effects against methicillin-resistant* **Staphylococcus aureus*; when combined with Vancomycin (HY-B0671), it exerts synergistic antibacterial effects against both methicillin-sensitive and methicillin-resistant* **Staphylococcus aureus** .

HY-N14125

Chloroquinocin	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Chloroquinocin has moderate activity against Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) .

HY-N8186

(3R)-7,4’-Dihydrohomoisoflavanone	Infection Flavonoids Dracaena cambodiana Pierre ex Gagnep. Classification of Application Fields Flavonones Phenols Polyphenols Agavaceae Plants Disease Research Fields Source Classification	Bacterial
(3R)-7,4’-Dihydrohomoisoflavanone is a natural product with antibacterial activities against S. aureus and methicillin-resistant Staphylococcus aureus (MRSA) .

HY-N13885

Amythiamicin A	Microorganisms Antibiotics Other Antibiotics Source Classification	Antibiotic Bacterial Parasite
Amythiamicin A is an antimicrobial antibiotic against Gram-positive bacteria (including methicillin-resistant Staphylococcus aureus (MRSA)) and activity against Plasmodium falciparum .

HY-N14118

Chloropolysporin B	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Chloropolysporin B has strong activity of anti-Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) and enterococcus bacteria .

HY-N14673

Helvecardin A	Natural Products Microorganisms Source Classification	Antibiotic Bacterial
Helvecardin A is a glycopeptidtic antibiotic. Helvecardin A has strong activity of anti-aerobic and anaerobic Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus .

HY-N13881

Amythiamicin C	Microorganisms Antibiotics Other Antibiotics Source Classification	Antibiotic Bacterial Parasite
Amythiamicin C is an antimicrobial antibiotic against Gram-positive bacteria (including methicillin-resistant Staphylococcus aureus (MRSA)) and activity against Plasmodium falciparum .

HY-N14470

Kigamicin A	Natural Products Microorganisms Source Classification	Bacterial
Kigamicin A shows activity against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) with MICs of 0.025-0.78 μg/mL .

HY-N14476

Kigamicin B	Natural Products Microorganisms Source Classification	Bacterial
Kigamicin B shows activity against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) with MICs of 0.025-0.78 μg/mL .

HY-N14675

Helvecardin B	Natural Products Microorganisms Source Classification	Antibiotic Bacterial
Helvecardin B is a glycopeptidtic antibiotic. Helvecardin B has strong activity of anti-aerobic and anaerobic Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus .

HY-N14706

Kibdelin A	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Kibdelin A is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-N14707

Kibdelin B	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Kibdelin B is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-N14710

Kibdelin D	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Kibdelin D is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-116168

Aldecalmycin	Microorganisms Antibiotics Other Antibiotics Source Classification	Antibiotic Bacterial
Aldecalmycin is an antibiotic showing antimicrobial activities against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) with MICs values of 6.25-25 μg/mL .

HY-N14709

Kibdelin C2	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Kibdelin C2 is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-N14708

Kibdelin C1	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Kibdelin C1 is resistant to Gram-positive bacteria and has similar effects against Staphylococcus aureus (including methicillin-resistant strains) as Vancomycin (HY-B0671) .

HY-N5195

Nocathiacin II Nocathiacine II	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Nocathiacin II (Nocathiacine II) is highly resistant to Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), penicillin-resistant Streptococcus pneumoniae (PRSP) and multidrug resistant Enterococcus faecalis (MREF) .

HY-N5184

Nocathiacin Ⅲ Nocathiacine III	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Nocathiacin III (Nocathiacine III) is highly resistant to Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA), penicillin-resistant Streptococcus pneumoniae (PRSP) and multidrug resistant Enterococcus faecalis (MREF) .

HY-N14899

Oxasetin	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Oxasetin has medium activity against Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus and Vancomycin-resistant Enterococcus faecalis (MIC is 16 μg/mL). Oxasetin has no activity against Gram-negative bacteria and fungi .

HY-N14955

3-O-α-D-Forosaminyl-(+)-griseusin	Microorganisms Antibiotics Other Antibiotics Source Classification	Antibiotic Bacterial
3-O-α-D-Forosaminyl-(+)-griseusin is a memberof naphthoquinone antibiotic. 3-O-α-D-Forosaminyl-(+)-griseusin is active against Gram-positive bacteria including methicillin-resistant strain of Staphylococcus aureus (MRSA) .

HY-N15019

Glycothiohexide α	Natural Products Microorganisms Antibiotics Source Classification	Antibiotic Bacterial
Glycothiohexide α is a peptide antibiotic. Glycothiohexide α has strong activity against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin resistant enterococcus (VREF), MIC values of 0.03-0.06 μg/mL .

HY-N14171

Epicorazine A	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial Fungal
Epicorazine A has activity against Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin resistant enterococcus (VRE), MICs of 12.5-25 μg/mL. Epicorazine A also has effect on Candida albicans with a MIC of 25 μg/mL .

HY-N19935

Mammea B/BA	Structural Classification Mammea americana L. Coumarins Phenylpropanoids Plants Calophyllaceae Source Classification	Bacterial
Mammea B/BA is a bacteriostatic agent found in the seeds of Mammea americana L. Mammea B/BA inhibits growth of Staphylococcus aureus strains. Mammea B/BA can be used for the research of methicillin-resistant Staphylococcus aureus infection .

HY-N14144

Cremimycin	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial
Cremimycin has anti-Gram-positive bacteria activity including methicillin-resistant Staphylococcus aureus (MRSA), MIC is 0.2-0.39 μg/mL. Cremimycin shows cytotoxicity to mouse tumor cell lines P388, L1210, IMC, S180, B16 and SS3 in vitro .

HY-121000

Albocycline Ingramycin	Structural Classification Microorganisms Macrolide Antibiotics Antibiotics Source Classification	Antibiotic Bacterial
Albocycline (Ingramycin) is a macrolide antibiotic, which exhibits antibacterial activities against methicillin-resistant Staphylococcus aureus (MRSA), Vancomycin (HY-B0671)-intermediate (VISA), and Vancomycin (HY-B0671)-resistant S. aureus (VRSA) strains with MICs ranging from 0.5 to 1.0 μg/mL. Albocycline exhibits no toxicity to human cells at concentration of ≤64 μg/mL .

HY-N11879

6-C-Methylquercetin-3,4'-dimethyl ether	Flavonols Flavonoids Leguminosae Bauhinia thonningii Plants Source Classification	Bacterial Antibiotic
6-C-Methylquercetin-3,4'-dimethyl etheris a flavonol derivative isolated from the leaves of Bauhinia thonningii Schum. 6-C-Methylquercetin-3,4'-dimethyl ether has antibacterial activity against Gram-negative multidrug-resistant bacteria and against methicillin-resistant Staphylococcus aureus (MRSA) strains .

HY-N10907

4(1H)-Quinolinone, 1-methyl-2-(5Z)-5-undecen-1-yl-	Alkaloids Rutaceae Plants Tetradium ruticarpum (A. Jussieu) T. G. Hartley Source Classification	Bacterial
4(1H)-Quinolinone, 1-methyl-2-(5Z)-5-undecen-1-yl- (compound 2) is a quinolone alkaloid that can be isolated from Cnidium. 4(1H)-Quinolinone, 1-methyl-2-(5Z)-5-undecen-1-yl- has methicillin-resistant Staphylococcus aureus (MRSA) activity, with MIC values of 32 μg/mL (ATCC 33591) and 16 μM/mL (ATCC 25923), respectively .

HY-161935

6-(12-Tridecene-1-yl)-2,4-Dihydroxy benzoic acid	Lysimachia tengyuehensis Hand.-Mazz. Antibiotics Plants Primulaceae Other Antibiotics Source Classification	Bacterial
6-(12-Tridecene-1-yl)-2,4-Dihydroxy benzoic acid (Compound 2) exhibits antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) and Vancomycin enterococci (VRE). 6-(12-Tridecene-1-yl)-2,4-Dihydroxy benzoic acid interfers with the integrity and function of the bacterial cell membrane, and affects metabolism in MRSA. 6-(12-Tridecene-1-yl)-2,4-Dihydroxy benzoic acid exhibits anti-inflammatory and anti-infective efficacy, and promotes angiogenesis in mice .

HY-N10561

Wychimicin A	Microorganisms Antibiotics Antibacterial Disease Research	Bacterial
Wychimicin A is a spirotetronate polyketide, can be isolated from the rare actinomycete Actinocrispum wychmicini strain MI503-AF4. Wychimicin A shows strong antibacterial activity against methicillin-resistant Staphylococcus. aureus (IC₅₀=0.125-0.5 μg/mL) and Enterococcus. faecalis/faecium (IC₅₀=0.125-0.25 μg/mL) .

HY-N10560

Wychimicin C	Microorganisms Antibiotics Antibacterial Disease Research	Bacterial
Wychimicin C is a spirotetronate polyketide, can be isolated from the rare actinomycete Actinocrispum wychmicini strain MI503-AF4. Wychimicin C shows strong antibacterial activity against methicillin-resistant Staphylococcus. aureus (IC₅₀=0.125-0.5 μg/mL) and Enterococcus. faecalis/faecium (IC₅₀=0.125-0.25 μg/mL) .

Cat. No.	Product Name		Classification

HY-174333

CYP1A1-IN-1		Alkynes
CYP1A1-IN-1 (Compound 47) is a small-molecule cytochrome P4501A1 (CYP1A1) inhibitor. CYP1A1-IN-1 reduces the bacterial loads of methicillin-resistant Staphylococcus aureus (MRSA) and Acinetobacter baumannii by enhancing macrophage phagocytosis. CYP1A1-IN-1 is promising for research of sepsis caused by multidrug-resistant (MDR) bacteria .

HY-N16526

Juncatrin B		Alkynes
Juncatrin B is a type of dihydrophenanthrene compound. Juncatrin B exhibits inhibitory activity against both Methicillin (HY-121544)-sensitive Staphylococcus aureus (MSSA) and Methicillin-resistant Staphylococcus aureus (MRSA). Juncatrin B can inhibit the formation of biofilms in MSSA and MRSA. Juncatrin B has no significant activity against Gram-negative bacteria. Juncatrin B can be used in the research of anti-Staphylococcus aureus .

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-13067G

Celastrol Tripterine; Tripterin	Endogenous Metabolite Proteasome Antibiotic Apoptosis Bacterial Autophagy Mitophagy	Infection Inflammation/Immunology Cancer
Celastrol (GMP) (Tripterine (GMP)) is Celastrol (HY-10227) produced by using GMP guidelines. GMP small molecules works appropriately as an auxiliary reagent for cell therapy manufacture. Celastrol (Tripterine;Tripterin) is a proteasome inhibitor which potently and preferentially inhibits the chymotrypsin-like activity of a purified 20S proteasome with IC₅₀ of 2.5 μM. In addition, Celastrol is also an antibiotic with potent antimicrobial activity against standard and clinical methicillin-resistant **Staphylococcus aureus** (MRSA) strains, inducing oxidative stress and inhibiting DNA synthesis by binding to P5CDH .

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