Aβ/tau aggregation-IN-4 (Compound D21) is an Aβ/tau aggregation inhibitor. Aβ/tau aggregation-IN-4 promotes the degradation of Aβ40/42 (Aβ40, IC50 = 2.151 μM; Aβ42, IC50 = 3.622 μM). Aβ/tau aggregation-IN-4 shows selective AChE inhibition (IC50: 5.56 μM). Aβ/tau aggregation-IN-4 inhibits MAO-A and MAO-B with IC50s of 0.59 μM and 0.09 μM, respectively. Aβ/tau aggregation-IN-4 suppresses intracellular ROS levels. Aβ/tau aggregation-IN-4 can be used in the research of Alzheimer's disease.

Aβ aggregation-IN-4 can alleviate the neurotoxicity of amyloid-β protein (Aβ) and significantly reduce the level of oligomeric complexes of Aβ (Aβ-OCs). Aβ aggregation-IN-4 does not decrease the level of amyloid-β protein (Aβ). Aβ aggregation-IN-4 attenuates Aβ oligomerization and prevents oligomer-induced death of primary cortical neurons. Aβ aggregation-IN-4 can be used for the study of Alzheimer’s disease (AD).

Azimexon (BM 12.531) is an orally active immunomodulator with radioprotective and antitumor activities. Azimexon prolongs survival in multiple mouse models, enhances immunity and hematopoiesis, and alleviates radiation injury and tumor metastasis. Azimexon causes reversible hemolytic anemia in rats and dogs, and exerts therapeutic activity against adjuvant-induced arthritis in rats. Azimexon can be used for the research of lung carcinoma, leukemia, multiple myeloma, lung tumor, arthritis, breast cancer and AIDS‑related complex.

Azide-PEG2-amide-C14-COOH (Compound LP-379-p) is a lipid-containing compound. Azide-PEG2-amide-C14-COOH facilitates the delivery of oligonucleotide-based reagents to certain cell types or adipose tissue.

Azide-PEG12-Val-Arg-PAB is an ADC Linker and can be used for synthesis of ADCs.

Azide-C5-amide-tri-SA-bis(amide-PBA) (compound 15) is a linker targeting eye tissue specific protein, can be used for oligonucleotide coupling .

Azetirelin (YM-14673) is an analogue of thyrotropin-releasing hormone (TRH).

Azapetine is an α-adrenergic receptor antagonist, with a IC50 of 0.205 μM against rat α1-adrenergic receptors and a IC50 of 1.3 μM against rat α2-adrenergic receptors. Azapetine blocks α1/α2-adrenergic receptor-mediated contraction of blood vessels and vascular smooth muscles. Azapetine can be used for the research of peripheral vascular diseases.

Azalanstat dihydrochloride (RS-21607 dihydrochloride) is an inhibitor of heme oxygenase and lanosterol 14α-demethylase, with inhibitory activity against HO-1 (IC50 = 5.5 µM) and HO-2 (IC50 = 24.5 µM). Azalanstat dihydrochloride reduces the maturation rate of rat oocytes, increases rat oocyte degeneration, and partially inhibits progesterone production in preovulatory follicles of rats.

AZ3971 is an orally active, blood-brain barrier permeable BACE1 inhibitor that does not affect the activity of γ-secretase. AZ3971 reduces the production of Aβ. AZ3971 can be used for the research of Alzheimer's disease.

AY 25674 is an orally active antiallergic agent and a PDE inhibitor. AY 25674 inhibits the release of allergic histamine from mast cells. AY 25674 suppresses passive anaphylaxis induced by reaginic (IgE) antibodies. AY 25674 does not inhibit the increased vascular permeability caused by non-reaginic antibodies, serotonin or histamine. AY 25674 reaches its peak activity shortly after administration; rapid tolerance occurs at high doses. AY 25674 can be used in research related to passive anaphylaxis.

Axl-IN-20 (Compound w11) is a selective, orally active AXL inhibitor, with an IC50 of 5 nM. Axl-IN-20 has antitumor activity against hematological malignancies.

KRP-109 is a neutrophil elastase (NE) inhibitor with activity in reducing lung inflammation. KRP-109 improves survival in mouse models and reduces the number of neutrophils and inflammation in the alveolar walls. KRP-109 significantly reduced cell and neutrophil counts in bronchoalveolar lavage fluid, as well as cytokine levels such as interleukin 1β and macrophage inflammatory protein 2. KRP-109 can be used in the research of severe pneumonia.

Autotaxin-IN-8 (Compound 14E) is an orally active Autotaxin inhibitor with an IC50 of 14.2 nM against hAutotaxin. Autotaxin-IN-8 inhibits Autotaxin activity, MAPK activation, LPAR1 and p-ERK1/2. Autotaxin-IN-8 reduces the phosphorylation levels of JNK and p38. Autotaxin-IN-8 decreases collagen deposition in a mouse model of pulmonary fibrosis. Autotaxin-IN-8 can be used in research related to pulmonary fibrosis.\n

AURKA-IN-4 (compound 13), a capsaicin-derived prohibitin ligand, is an AURKA inhibitor. AURKA-IN-4 acts as a molecular glue within the AURKA/PHB2/LC3 complex. AURKA-IN-4 is specific to the mitochondrial pool of AURKA, and inhibits AURKA-dependent mitophagy. AURKA-IN-4 can be used for cancer research.

ATR-IN-31 is a selective ATR kinase inhibitor with an IC50 of 7 nM. ATR-IN-31 does not significantly inhibit ATM kinase activity. ATR-IN-31 functionally inhibits ATR kinase activity. ATR-IN-31 inhibits viability of prostate cancer cells.ATR-IN-31 can be used for the research of prostate cancer.

ATR ligand 2 (Compound 26) is a ATR PROTAC ligand. ATR ligand 2 can be conjugated with E3 ligase Ligand and linker to synthesize PROTAC ATR degrader-3.

ATP-ArN3 is a UV-activatable ATP-crosslinker analog. ATP-ArN3 relys on UV irradiation to activate the aryl azide (ArN3) crosslinking group and conjugate substrate to kinases and associated proteins.

ATOX1-IN-1 is an inhibitor of ATOX1 (a copper chaperone protein) with a Kd value of 12.5 μM. ATOX1-IN-1 induces intracellular copper accumulation, increases the level of DNA methylation in the NOTCH1 promoter region, and inhibits the NOTCH1/HES1 signaling pathway. ATOX1-IN-1 enhances the sensitivity of hepatocellular carcinoma cells to Cisplatin. ATOX1-IN-1 can be used in hepatocellular carcinoma-related research.

Atiprosine (AY-28228) is an orally effective selective α1-adrenergic receptor antagonist with a pA2 value of 8.11. Atiprosine exhibits antagonistic activity against α2-adrenergic receptors (α1-adrenergic receptor), 5-HT₂ receptors (5-HT₂ receptor), and H₁ receptors (H₁ receptor). The pA2 values for these receptors are 6.04, 6.87, and 7.32 respectively. Atiprosine has antihypertensive and hypotensive effects in rats, dogs, and monkeys. It can be used for research on cardiovascular and mental disorders.

Atg4B activator-1 (Compound 16a) is an allosteric, selective, and orally active ATG4B activator with a Kd of 0.2199 μM. Atg4B activator-1 binds to the allosteric pocket of ATG4B and induces conformational changes. Atg4B activator-1 induces Autophagy. Atg4B activator-1 inhibits the proliferation and migration of triple-negative breast cancer cells. Atg4B activator-1 can be used in studies related to triple-negative breast cancer.

AT-9 is an anthraquinone-triazene derivative. AT-9 exhibits strong DNA intercalation ability. AT-9 can also interact with Topo IIA. AT-9 exhibits anticancer activity against non-small cell lung cancer and cervical cancer.

AT1R antagonist 4 (Example 26) is an AT1R antagonist. AT1R antagonist 4 shows excellent antagonistic activity against calcium influx in cells stably expressing AT1 receptors and ETA receptors. AT1R antagonist 4 can be used in kidney disease research.

AT-051/43421517 is a cytoprotective agent and apoptosis inhibitor that binds to human phosphoglycerate kinase 1 (hPgk1). AT-051/43421517 protects cells from rotenone-induced cell death without inducing cell proliferation. AT-051/43421517 can be used for the research of parkinson’s disease.

ASS1 activator 1 (Compound 10f) is a ASS1 activator with an EC50 of 1.90 μM. ASS1 activator 1 enhances the activity of ASS1 and promotes AMPK phosphorylation. ASS1 activator 1 induces cell Apoptosis. ASS1 activator 1 exhibits anticancer activity against triple-negative breast cancer, colorectal cancer and liver cancer.

Aspirin Trelamine is a salicylic acid prodrug. Aspirin Trelamine has been used in research related to ischemic stroke, as well as COVID-19-associated acute respiratory distress syndrome (ARDS) and pneumonia.

Asoxime dimesylate (HI-6 dimesylate) is an orally active thiosemicarbazone-based antidote. Asoxime dimesylate is a reversible inhibitor of AChE, and its core mechanism of action is to re-activate AChE inhibited by nerve toxins, thereby restoring the cholinergic nerve function. Asoxime dimesylate significantly restores the function of poisoned muscles without reactivating AChE. Asoxime dimesylate is an antagonist of acetylcholine receptors (AChRs), including nicotinic receptor and α7 nAChR. Asoxime dimesylate can serve as an effective immunomodulator, improving the immune effect of the nervous system.

Asocainol hydrochloride (Goe 4704 hydrochloride) is an antiarrhythmic agent. Asocainol hydrochloride reduces the maximum rate of action potential rise and action potential amplitude. Asocainol hydrochloride is applicable for the research of arrhythmias.

ASK1-IN-12 is an ASK1 inhibitor with an IC50 of 6.3 nM. ASK1-IN-12 inhibits TNF-α-induced activation of the ASK1-p38/JNK pathway. ASK1-IN-12 can reduce free fatty acid-induced cholesterol increase, lipid droplet accumulation and improves hepatocellular steatosis. ASK1-IN-12 can be used for the research of non-alcoholic steatohepatitis (NASH).

Asciminib-NH2 is a BCR-ABL ligand and can be used for the synthesis of PROTACs, such as P19As.