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Qi

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By Targets:	Antibiotic (1) Bacterial (1) Drug Derivative (4) FAP (1) Fungal (1) Interleukin Related (1) Parasite (3) TNF Receptor (1)
By Research Areas:	Cancer (2) Infection (4) Inflammation/Immunology (1) Neurological Disease (1)

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Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-13836

ELQ-300	Parasite	Infection
ELQ-300 is a potent and orally bioavailable antimalarial agent, acts as an inhibitor of the reductive (Q_i) site of the cytochrome bc₁ complex (cyt bc₁). ELQ-300 inhibits growth of P. falciparum Dd2, Tm90-C2B, and D1 with IC₅₀ values of 6.6, 4.6 and 160 nM, respectively. ELQ-300 can be used for the research of antimalarial .

HY-162066

DNDI-6174	Parasite	Infection
DNDI-6174 is an orally active Leishmania cytochrome b (Qi site of cytochrome bc1 complex/complex III) inhibitor. DNDI-6174 binds to the Qi site of Leishmania cytochrome b, inhibits cytochrome bc1 complex activity in the parasite's electron transport chain across promastigote and axenic amastigote stages. DNDI-6174 reduces parasite burden in rodent models, inhibits growth of various Leishmania species, drug-resistant clinical isolates, and Trypanosoma cruzi, with marginal activity against Trypanosoma brucei. DNDI-6174 can be used for the research of visceral leishmaniasis, cutaneous leishmaniasis .

HY-159934

QI-18	FAP	Cancer
QI-18 is a fibroblast activation protein (FAP) inhibitor with the IC₅₀ of 0.50 nM, which is a 6.5-fold increase in potency over that of UAMC-1110 (HY-100684，IC₅₀ of 3.25 nM). QI-18 can be used to synthesize high tumor selectivity and high dose radiotracers for the diagnosis and study of tumors .

HY-122298

Fenpicoxamid XDE 777	Antibiotic Fungal	Infection
Fenpicoxamid is a new fungicide. Fenpicoxamid inhibits the growth of the fungus Z. tritici with an EC₅₀ value of 0.051 mg/L .

HY-N17727

Divaricatol	Interleukin Related TNF Receptor	Neurological Disease Inflammation/Immunology
Divaricatol is an orally ative chromone natural product and an active component in Saposhnikovia divaricata. Divaricatol reduces the release of pro-inflammatory cytokines and restores immune homeostasis by stably binding to 5KIR (a target of the TNF/IL-17 pathway). Divaricatol exerts analgesic effects in mouse models. Divaricatol can be used in the research of pain, diarrhea-predominant irritable bowel syndrome (IBS-D) and qi deficiency syndrome .

HY-N17289

Schisphenin A	Drug Derivative	Others
Schisphenin A is a natural product that can be found in Chang Sheng Qi.

HY-N18671

Codonopsis pilosula extract	Others	Others
Codonopsis Pilosula Extract has the effect of invigorating the middle and nourishing qi, invigorating the spleen and lungs.

HY-182711

SCR0911	Bacterial Parasite	Infection
SCR0911 is an inhibitor of mycobacterial cytochrome bcc oxidase and Plasmodium falciparum cytochrome bc1. SCR0911 disrupts oxidative phosphorylation by binding to mycobacterial cytochrome bcc, binds to the Qi site of Plasmodium falciparum cytochrome bc1, inhibits mycobacterial cell growth and ATP synthesis, and exhibits broad-spectrum anti-mycobacterial and anti-malarial activities. SCR0911 can be used in research related to tuberculosis, malaria, and isolated persistent hypermethioninemia (iph) .

HY-N17485

3-Oxooleana-1,12-dien-28-oic acid	Drug Derivative	Others
3-Oxooleana-1,12-dien-28-oic acid is a natural product that can be found in Qi Dun Guo.

HY-N17327

(2α,3β)-Dihydroxy-23-norolean-4(24),12(13)-dien-28-oic acid	Drug Derivative	Others
(2α,3β)-Dihydroxy-23-norolean-4(24),12(13)-dien-28-oic acid is a natural product that can be found in Qi Dun Guo.

HY-N18292

Qinanone G	Drug Derivative	Cancer
Qinanone G is a 2-(2-phenylethyl)chromone (HY-N8220) derivative found in the high quality Chinese agarwood 'Qi-Nan' from Aquilaria sinensis (Lour.) Glig. Qinanone G shows no inhibitory activity against AChE and cancer cells .

Cat. No.	Product Name

HY-L224

Diarrhea-Related Traditional Chinese Medicine Active Compound Library	2,459 compounds
Diarrhea is a disease symptom, and the pathophysiologic basis of diarrhea is a disturbance in intestinal water and electrolyte balance, which may be due to increased secretion of osmotically active electrolytes (secretory diarrhea) or increased intake of osmotically active substances (osmotic diarrhea). Food poisoning, pathogenic bacterial infections, and intestinal-related diseases can all contribute to the development of diarrhea. Traditional Chinese Medicine (TCM) considers diarrhea to be a symptom of an imbalance in the body's systems, particularly related to the functions of the spleen and stomach. Spleen qi deficiency, dampness-heat, liver and spleen disharmony are closely related to diarrhea. Many types of Chinese herbs regulate the function of diarrhea, such as: Dysosmae Verspiellis Rhixoma Et Radix, Ginkgo Semen, Forsythiae Fructus, and Campsis Flos. MCE can provide 2,459 active monomers that can be obtained from TCM herbs with diarrhea-regulating functions, which can be applied to drug development and disease mechanism research.

Diarrhea-Related Traditional Chinese Medicine Active Compound Library

2,459 compounds

Diarrhea is a disease symptom, and the pathophysiologic basis of diarrhea is a disturbance in intestinal water and electrolyte balance, which may be due to increased secretion of osmotically active electrolytes (secretory diarrhea) or increased intake of osmotically active substances (osmotic diarrhea). Food poisoning, pathogenic bacterial infections, and intestinal-related diseases can all contribute to the development of diarrhea. Traditional Chinese Medicine (TCM) considers diarrhea to be a symptom of an imbalance in the body's systems, particularly related to the functions of the spleen and stomach. Spleen qi deficiency, dampness-heat, liver and spleen disharmony are closely related to diarrhea. Many types of Chinese herbs regulate the function of diarrhea, such as: Dysosmae Verspiellis Rhixoma Et Radix, Ginkgo Semen, Forsythiae Fructus, and Campsis Flos.

MCE can provide 2,459 active monomers that can be obtained from TCM herbs with diarrhea-regulating functions, which can be applied to drug development and disease mechanism research.

HY-L246

Tonifying Traditional Chinese Medicine Monomer Compound Library	1,036 compounds
Tonifying traditional Chinese medicines occupy a central position in the traditional medical system, with their core value lying in the regulation of the body's functional state. Modern pharmacological studies have confirmed that these medicinal materials and their monomeric components possess multiple biological activities, including bidirectional immune regulation, anti-aging and lifespan extension, neuroprotection and cognitive enhancement, as well as hematopoietic and metabolic regulation. According to the traditional Chinese medicine theory of “strengthening the body’s resistance and consolidating the foundation”, tonifying medicines are mainly classified into four major categories: Qi-tonifying, Blood-tonifying, Yin-tonifying, and Yang-tonifying. This compound library strictly follows this classification system for compound collection. Monomeric compounds derived from traditional Chinese medicines demonstrate excellent drug-like properties. They naturally possess structural diversity and clearly defined pharmacological activities, which help improve screening success rates and make them ideal tools for studying multi-target synergistic effects. This library contains 1,036 compounds, providing a material basis for investigating synergistic interactions among compounds (network pharmacology) and facilitating the development of multi-target therapeutic strategies for complex diseases such as cancer, neurodegenerative disorders, and metabolic syndrome.

Tonifying Traditional Chinese Medicine Monomer Compound Library

1,036 compounds

Tonifying traditional Chinese medicines occupy a central position in the traditional medical system, with their core value lying in the regulation of the body's functional state. Modern pharmacological studies have confirmed that these medicinal materials and their monomeric components possess multiple biological activities, including bidirectional immune regulation, anti-aging and lifespan extension, neuroprotection and cognitive enhancement, as well as hematopoietic and metabolic regulation. According to the traditional Chinese medicine theory of “strengthening the body’s resistance and consolidating the foundation”, tonifying medicines are mainly classified into four major categories: Qi-tonifying, Blood-tonifying, Yin-tonifying, and Yang-tonifying. This compound library strictly follows this classification system for compound collection.

Monomeric compounds derived from traditional Chinese medicines demonstrate excellent drug-like properties. They naturally possess structural diversity and clearly defined pharmacological activities, which help improve screening success rates and make them ideal tools for studying multi-target synergistic effects. This library contains 1,036 compounds, providing a material basis for investigating synergistic interactions among compounds (network pharmacology) and facilitating the development of multi-target therapeutic strategies for complex diseases such as cancer, neurodegenerative disorders, and metabolic syndrome.

Divaricatol	Structural Classification Monophenols Xeranthemum annuum L. Phenols Umbelliferae Plants Source Classification	Interleukin Related TNF Receptor
Divaricatol is an orally ative chromone natural product and an active component in Saposhnikovia divaricata. Divaricatol reduces the release of pro-inflammatory cytokines and restores immune homeostasis by stably binding to 5KIR (a target of the TNF/IL-17 pathway). Divaricatol exerts analgesic effects in mouse models. Divaricatol can be used in the research of pain, diarrhea-predominant irritable bowel syndrome (IBS-D) and qi deficiency syndrome .

Schisphenin A	Piper longum Linn. Structural Classification Other Phenylpropanoids Piperaceae Phenylpropanoids Plants Source Classification	Drug Derivative
Schisphenin A is a natural product that can be found in Chang Sheng Qi.

Codonopsis pilosula extract	Structural Classification Extract	Others
Codonopsis Pilosula Extract has the effect of invigorating the middle and nourishing qi, invigorating the spleen and lungs.

3-Oxooleana-1,12-dien-28-oic acid	Structural Classification Juglandaceae Terpenoids Plants Pentacyclic Triterpenoids Juglans hopeiensis Hu Source Classification	Drug Derivative
3-Oxooleana-1,12-dien-28-oic acid is a natural product that can be found in Qi Dun Guo.

(2α,3β)-Dihydroxy-23-norolean-4(24),12(13)-dien-28-oic acid	Aquifoliaceae Structural Classification Terpenoids Plants Cynanchum vincetoxicum (L.) Pers. Pentacyclic Triterpenoids Source Classification	Drug Derivative
(2α,3β)-Dihydroxy-23-norolean-4(24),12(13)-dien-28-oic acid is a natural product that can be found in Qi Dun Guo.

Qinanone G	Structural Classification Thymelaeaceae Phenols Plants Aquilaria sinensis (Lour.) Spreng. Source Classification	Drug Derivative
Qinanone G is a 2-(2-phenylethyl)chromone (HY-N8220) derivative found in the high quality Chinese agarwood 'Qi-Nan' from Aquilaria sinensis (Lour.) Glig. Qinanone G shows no inhibitory activity against AChE and cancer cells .

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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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Qi

Inhibitors & Agonists

Screening Libraries

NaturalProducts

Natural
Products