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BTA

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Aminoacyl-tRNA Synthetase (1) Amyloid-β (5) E1/E2/E3 Enzyme (3) Enterovirus (6) Fungal (1) HPV (3) Isotope-Labeled Compounds (2) Reactive Oxygen Species (ROS) (1) Reference Standards (4) RSV (5) Virus Protease (2)
By Research Areas:	Cancer (2) Infection (14) Inflammation/Immunology (2) Neurological Disease (3)
Click Chemistry:	Alkynes (1)

Inhibitors & Agonists

Isotope-Labeled Compounds

Click Chemistry

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-126192

Pittsburgh Compound B PiB; 6-OH-BTA-1	Amyloid-β	Neurological Disease
Pittsburgh Compound B (PiB) is a blood-brain barrier-permeable, specific Aβ deposition PET tracer that binds to Aβ(1-40) fibrils with a K_i value of 678.4 nM. Through click chemical modification (a clickable Pittsburgh Compound B derivative is prepared by introducing a PEG3 linker and an alkynyl group at the 6-hydroxy site of Pittsburgh Compound B, followed by covalent conjugation with azide-labeled fluorescent dyes or affinity tags via copper-catalyzed azide-alkyne cycloaddition (CuAAC)), Pittsburgh Compound B and its conjugates can be used for fluorescence imaging, ultrastructural studies, and enrichment and characterization of Aβ complexes. Pittsburgh Compound B is applicable to Alzheimer's disease research .

HY-106254A

Vapendavir diphosphate 4 Publications Verification BTA798 diphosphate	Enterovirus	Infection Inflammation/Immunology
Vapendavir diphosphate (BTA798 diphosphate) is a potent enteroviral capsid binder (CB). Vapendavir diphosphate (BTA798 diphosphate) possesses potent antiviral activity for enterovirus 71 (EV71) replication, with EC₅₀ values of 0.5-1.4 μM in different EV71 strains .

HY-19476

AG-7404	Virus Protease	Infection
AG-7404 is an orally active, irreversible inhibitor of the picornavirus 3C protease. AG-7404 blocks the processing of viral polyproteins, thereby inhibiting viral replication. AG-7404 has synergistic antiviral activity with capsid inhibitors such as V-073 (HY-104074) or BTA798 (HY-106254) and is effective against V-073-resistant variants. AG-7404 is used in the study of enterovirus infections such as poliovirus .

HY-106254

Vapendavir 4 Publications Verification BTA798	Enterovirus	Infection
Vapendavir (BTA798) is a potent enteroviral capsid binder (CB). Vapendavir (BTA798) possesses potent antiviral activity for enterovirus 71 (EV71) replication, with EC₅₀ values of 0.5-1.4 μM in different EV71 strains .

HY-162022

BTA-188	Enterovirus Virus Protease	Infection
BTA-188, a pyridazinyl oxime ether, is an orally active, potent inhibitor of rhinoviruses (HRV) and enterovirus (EV) 71 in vitro. BTA-188 inhibits HRV-2 replication with an IC₅₀ of 0.8 nM and an IC₉₀ of 11 nM. BTA-188 inhibits enterovirus with an IC₅₀ of 82 and an IC₉₀ of 109 nM. BTA-188 is a potential chemotherapeutic agent for infections caused by the viruses in the Picornaviridae .

HY-W278021

BTA-1	Amyloid-β	Others
BTA-1 is an uncharged derivative of thioflavin-T. BTA-1 has a high affinity for Aβ fibrils and shows very good brain penetration and clearance .

HY-163540

NP-BTA	Aminoacyl-tRNA Synthetase Fungal	Infection
NP-BTA is an allosteric inhibitor for glutaminyl-tRNA synthetase (GlnRS). NP-BTA exhibits antifungal efficacy against Candida albicans, with MIC₅₀ of 6.25 μM .

HY-109004

Enzaplatovir BTA-C585	RSV	Infection
Enzaplatovir (BTA-C585) is an orally bioavailable Inhibitor for respiratory syncytial virus (RSV) infection .

HY-106254S

Vapendavir-d5 BTA798-d₅	Isotope-Labeled Compounds Enterovirus	Infection
Vapendavir-d5 is the deuterium labeled Vapendavir. Vapendavir (BTA798) is a potent enteroviral capsid binder (CB). Vapendavir (BTA798) possesses potent antiviral activity for enterovirus 71 (EV71) replication, with EC₅₀ values of 0.5-1.4 μM in different EV71 strains .

HY-109045A

Teslexivir hydrochloride BTA074 hydrochloride; AP 611074 hydrochloride	E1/E2/E3 Enzyme HPV	Infection
Teslexivir (BTA074) hydrochloride is a potent antiviral agent. Teslexivir hydrochloride is a potent and selective inhibitor of the interaction between two essential viral proteins, E1 and E2, an association that is a necessary step in the DNA replication and thus viral production for Human Papilloma Virus (HPV) 6 and 11. Teslexivir hydrochloride can be used for condyloma research .

HY-114721

BTA-9881 MEDI-564	RSV	Infection
BTA-9881 (MEDI-564) is a RSV inhibitor, with an EC₅₀: 48 nM, 59 nM and 160 nM for RSV A2, RSV Long, and RSV B1. BTA-9881 has favorable pharmacokinetics property .

HY-109045

Teslexivir BTA074; AP 611074	E1/E2/E3 Enzyme HPV	Infection
Teslexivir (BTA074) is a potent antiviral agent. Teslexivir is a potent and selective inhibitor of the interaction between two essential viral proteins, E1 and E2, an association that is a necessary step in the DNA replication and thus viral production for Human Papilloma Virus (HPV) 6 and 11. Teslexivir can be used for condyloma research .

HY-W176465

BTA-2	Amyloid-β	Others
BTA-2, a benzothiazole dye, is structurally similar to thioflavin T (ThT), which exhibits an enhanced fluorescence signal when bound to amyloid fibrils. BTA-2 has distinct absorption and emission characteristics in solution and when bound to amyloid fibrils, which makes it can used for identifying amyloid fibrils using spectroscopy .

HY-106254S1

Vapendavir-d6 BTA798-d₆	Enterovirus Isotope-Labeled Compounds	Infection
Vapendavir-d₆ (BTA798-d₆) is deuterium-labeled Vapendavir (HY-106254) .

HY-153889

BTA-EG4	Amyloid-β Reactive Oxygen Species (ROS)	Neurological Disease
BTA-EG4 is a catalase-amyloid interaction inhibitor, which can significantly enhance the neurotoxicity of amyloid peptides in catalase-overexpressing neuronal cells, and can be used in the study of neurodegenerative diseases .

HY-109004A

(S)-Enzaplatovir (S)-BTA-C585	RSV	Cancer
(S)-Enzaplatovir ((S)-BTA-C585) is the S-enantiomer of Enzaplatovir. (S)-Enzaplatovir shows antiviral activities with an EC₅₀ of 56 nM for respiratory syncytial viral (RSV) (patent WO2011094823A1 compound 77) .

HY-182328

BTA-EG6	Amyloid-β	Neurological Disease
BTA-EG6 is a brain-penetrant aggregated amyloid-β (Aβ) peptide binder with a K_d of 290 nM for Aβ1-42. BTA-EG6 binds to aggregated Aβ and forms protein-resistive coatings that block interactions between Aβ and catalase. BTA-EG6 protects neuroblastoma cells from Aβ-induced toxicity and oxidative stress, and inhibits Aβ-induced increases in cellular hydrogen peroxide (H₂O₂) levels. BTA-EG6 can be used for the research of alzheimer’s disease (AD) .

HY-106254AR

Vapendavir diphosphate (Standard) BTA798 diphosphate (Standard)	Reference Standards Enterovirus	Infection Inflammation/Immunology
Vapendavir diphosphate (Standard) is the analytical standard of Vapendavir diphosphate (HY-106254A). This product is intended for research and analytical applications. Vapendavir diphosphate (BTA798 diphosphate) is a potent enteroviral capsid binder (CB). Vapendavir diphosphate (BTA798 diphosphate) possesses potent antiviral activity for enterovirus 71 (EV71) replication, with EC₅₀ values of 0.5-1.4 μM in different EV71 strains .

HY-109004R

Enzaplatovir (Standard) BTA-C585 (Standard)	Reference Standards RSV	Infection
Enzaplatovir (Standard) is the analytical standard of Enzaplatovir (HY-109004). This product is intended for research and analytical applications. Enzaplatovir (BTA-C585) is an orally bioavailable Inhibitor for respiratory syncytial virus (RSV) infection .

HY-109004AR

(S)-Enzaplatovir (Standard) (S)-BTA-C585 (Standard)	Reference Standards RSV	Cancer
(S)-Enzaplatovir (Standard) is the analytical standard of (S)-Enzaplatovir (HY-109004A). This product is intended for research and analytical applications. (S)-Enzaplatovir ((S)-BTA-C585) is the S-enantiomer of Enzaplatovir. (S)-Enzaplatovir shows antiviral activities with an EC₅₀ of 56 nM for respiratory syncytial viral (RSV) (patent WO2011094823A1 compound 77) .

HY-109045AR

Teslexivir hydrochloride (Standard) BTA074 hydrochloride (Standard); AP 611074 hydrochloride (Standard)	Reference Standards E1/E2/E3 Enzyme HPV	Infection
Teslexivir hydrochloride (Standard) is the analytical standard of Teslexivir (hydrochloride) (HY-109045A). This product is intended for research and analytical applications. Teslexivir (BTA074) hydrochloride is a potent antiviral agent. Teslexivir hydrochloride is a potent and selective inhibitor of the interaction between two essential viral proteins, E1 and E2, an association that is a necessary step in the DNA replication and thus viral production for Human Papilloma Virus (HPV) 6 and 11. Teslexivir hydrochloride can be used for condyloma research .

Cat. No.	Product Name	Chemical Structure

HY-106254S

Vapendavir-d5
Vapendavir-d5 is the deuterium labeled Vapendavir. Vapendavir (BTA798) is a potent enteroviral capsid binder (CB). Vapendavir (BTA798) possesses potent antiviral activity for enterovirus 71 (EV71) replication, with EC₅₀ values of 0.5-1.4 μM in different EV71 strains .

HY-106254S1

Vapendavir-d6
Vapendavir-d₆ (BTA798-d₆) is deuterium-labeled Vapendavir (HY-106254) .

Cat. No.	Product Name		Classification

HY-19476

AG-7404		Alkynes
AG-7404 is an orally active, irreversible inhibitor of the picornavirus 3C protease. AG-7404 blocks the processing of viral polyproteins, thereby inhibiting viral replication. AG-7404 has synergistic antiviral activity with capsid inhibitors such as V-073 (HY-104074) or BTA798 (HY-106254) and is effective against V-073-resistant variants. AG-7404 is used in the study of enterovirus infections such as poliovirus .

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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