L 012 sodium salt a luminol-based chemiluminescent (CL) probe, is widely used in vitro and in vivo to detect NADPH oxidase (Nox)-derived superoxide (O2•−) and identify Nox inhibitors.

SS‑3091 is a potent inhibitor of pan‑KRas that targets the interaction interfaces of KRas, destabilizing critical KRas-protein complexes and thereby blocking its downstream signaling pathways. SS‑3091 effectively inhibits KRas‑driven signaling in multiple cancer cell lines, including those harboring G12D, G12V, and G13D mutations, leading to reduced ERK and AKT phosphorylation.

N-Hydroxysuccinimide (HOSu; 1-Hydroxy-2,5-pyrrolidinedione) is a crucial reagent that forms NHS esters via DCC-mediated carboxylic acid activation. These esters enable covalent protein/antibody coupling to surfaces through primary amine reactions. It also modifies microfluidic SPR sensors for bacterial pathogen detection.

MY‑1B is a covalent inhibitor of the RNA methyltransferase NSUN2, with an IC50 of 1.3 μM. MY‑1B stereoselectively targets the active‑site cysteine residue C271 of NSUN2 and can be used to probe the function of NSUN2 in RNA methylation‑related processes.

CDK4/6-IN-2 is a CDK4 and CDK6 inhibitor obtained from patent US20180000819A1 (Compound 1). It exhibits IC50 values of 2.7 nM for CDK4 and 16 nM for CDK6.

BBI-2779 is a potent, selective, and orally active inhibitor of CHK1 with an IC50 of 0.3 nM. It preferentially kills cancer cells containing extrachromosomal DNA (ecDNA) by inducing replication stress and cell death. In gastric cancer models with FGFR2 gene amplification on ecDNA, BBI-2779 suppresses tumor growth and prevents drug resistance.

δ-Carboline is a nitrogen-containing heterocyclic compound, and its derivatives all exhibit anti-cancer and antibacterial activities.

γ-Linolenic acid NHS ester is a lipid metabolite of γ-Linolenic acid (GLA), which can serve as a synthetic intermediate or probe labeling reagent for the preparation of GLA conjugates. In practical applications, γ-Linolenic acid NHS ester can be conjugated with taxanes and polysaccharides to form dual-type conjugates for drug delivery purposes.

βGlcCer is a glycosphingolipid.

β-funaltrexamine (β-FNA) is a irreversible and selective μ opioid receptor antagonist that exhibits anti-inflammatory and neuroprotective effects. β-Funaltrexamine reduces TLR4 signaling, inhibits cytokine-induced iNOS activation and neuroinflammation, and ameliorates neuronal degeneration. β-funaltrexamine inhibits NF-κB signaling and chemokine expression in both human astrocytes and mice. β-funaltrexamine can be used for research on neurodegenerative diseases, such as stroke.

β-Aspartyl phosphate is a nucleoside metabolite.

α-Synuclein aggregate binder 2 (Compound 1) is a specific alpha-synuclein binder with a Ki of 1.6 nM. α-Synuclein aggregate binder 2 has a weak binding affinity for β-amyloid aggregates with a Ki of 295 nM. α-Synuclein aggregate binder 2 can be used as a tracer in Parkinson's disease.

α-Hydroxysalmeterol is a metabolite that can be formed via cytochrome P450 isoform 3A4-induced hydroxylation of Salmeterol. α-Hydroxysalmeterol is a potentially relevant urine biomarker to include when screening for Salmeterol misuse.

α-Glucosidase-IN-100 (compound 6) is a potent alpha glucosidase inhibitor. α-Glucosidase-IN-100 can be used to study metabolic diseases such as diabetes.

ZS34 is a potent, orally active, and selective MAT2A inhibitor with an IC50 of 13.7 nM, displaying minimal hERG and UGT1A1 liabilities. ZS34 selectively suppresses the growth of methylthioadenosine phosphorylase (MTAP)-deficient cancer cells by inhibiting SAM synthesis, reducing SDMA levels, and inducing DNA damage. ZS34 exhibits antitumor efficacy in a HCT116 MTAP-/- xenograft mouse model. ZS34 can be used for the research of MTAP-deficient cancer.

ZK-93426 is a benzodiazepine receptor antagonist. ZK-93426 does not alter the dogs' motility but induces generalized myoclonic jerks and tonic-clonic seizures. ZK-93426 can be used to study the mechanism of withdrawal reactions in the state of benzodiazepine dependence.

Zifrosilone is an orally active acetylcholinesterase (AChE) inhibitor with a mean maximum inhibition of 20.9% at 10 mg. Zifrosilone can be used for the research of neurological disease.

YTH-IN-2 is a YTH domain inhibitor of YTHDC2 with an IC50 of 16.84 μM. YTH-IN-2 can serve as a lead compound for discovering efficient, selective, and cell-active small-molecule inhibitors of YTHDC2.

YM-796 dihydroxybutanedioate is a selective muscarinic M1 receptor agonist. YM-796 dihydroxybutanedioate can improve cognitive impairment and reduce amyloid plaque deposition. YM-796 dihydroxybutanedioate can be used in the research of cognitive impairment diseases such as Alzheimer's disease.

YM 133 (IMC-XV) is a semisynthetic macrolide antibiotic with potent bactericidal activity. YM 133 shows activity against Erythromycin-, Josamycin-, and rokitamycin-resistant (MIC ≥ 100 μg/mL) strains of staphylococci, streptococci, Bacteroides spp., and Clostridium spp. YM 133 exhibits excellent activity against macrolide-resistant strains and against anaerobes. YM 133 can be used for antibacterial research.

YK-8S is a dual-targeted K-Ras (G12D/G12C) covalent inhibitor. YK-8S shows no significant binding to wild-type K-Ras and other mutants (G12R, G13D, Q61R/K). YK-8S exhibits anti-proliferative activity against H358 (G12C) and AGS (G12D) cells. YK-8S inhibits the phosphorylation of p-AKT/p-ERK in BaF3/G12D and G12C cells. YK-8S can be used for pancreatic cancer, colorectal cancer and other tumors with high incidence of G12D.

YCH3971 is a PARP1 inhibitor with a PARP1 IC50 of 7.52 nM and a PARP1 EC50 of 67.75 nM. YCH3971 inhibits the proliferation of BRCA-deficient tumor cells. YCH3971 induces DNA damage, G2/M phase arrest, and caspase-mediated Apoptosis in triple-negative breast cancer cells. YCH3971 can be used for the research of BRCA-deficient tumors.

Y1693 is an orally active RANKL inhibitor with a Kd of 5.03 μM for hRANKL. Y1693 inhibits the activation of the downstream c-fos/NFATc1 signaling pathway by blocking its interaction with RANK. Y1693 significantly inhibits RANKL-induced osteoclast differentiation, F-actin ring formation and bone resorptive activity, while downregulating the mRNA and protein expressions of TRAP, cathepsin K, c-fos and NFATc1. Y1693 shows no obvious cytotoxicity to bone marrow-derived macrophages and osteoclast precursor cells, and exhibits favorable ADME properties. Y1693 improves ovariectomy-induced osteoporosis in mice and reverses ligation-induced periodontal alveolar bone loss. Y1693 is applicable to research related to osteoporosis and periodontal diseases.

XSJ151 is a topoisomerase I inhibitor, stabilizing the DNA-Topo I covalent complex and inducing DNA double-strand breaks. XSJ151-induces DNA damage activates the p53-p21 signaling pathway, specifically regulating the expression of cyclins, leading to G2/M phase cell cycle arrest and disrupting the dynamic homeostasis of Bcl-2 family proteins, thereby triggering apoptosis in gastric cancer cells. XSJ151 can be used for the study of gastric cancer.

XRF-1021 is an orally active HIPK2 inhibitor (IC50 = 0.18 μM). XRF-1021 reduces the expression of fibrotic markers in TGF-β1 stimulated NRK-49F and HK-2 cells, including Fibronectin, Collagen I and α-SMA. XRF-1021 blocks TGF-β, NF-κB, p53, Wnt/β-catenin, and Notch signaling. XRF-1021 reduces renal injury and fibrosis in vivo. XRF-1021 can be used for the research of chronic kidney disease.

XH-30 is a potent, selective, and orally active PKMYT1 inhibitor, with an IC50 of 4.1 nM. XH-30 suppresses the proliferation of P53-mutated triple-negative breast cancer (TNBC) cells by inducing G2/M phase release, DNA damage, and apoptosis. XH-30 demonstrates antitumor effects in an MDA-MB-231 mouse model. XH-30 can be used for P53-mutated TNBC research.

XAT-13 is an orally active antiallergic agent. XAT-13 binds to the active pocket of MRGPRX2, and inhibits C48/80-induced calcium influx and β-hexosaminidase release. XAT-13 can be used for the research of pseudo-allergic diseases.

Xanthine oxidase-IN-23 (Compound BPF) is an orally active, reversible, mixed-type Xanthine oxidase inhibitor with an IC50 of 3.33 μM. Xanthine oxidase-IN-23 directly binds to XOD in a reversible mixed-type manner to inhibit its catalytic activity. Xanthine oxidase-IN-23 upregulates ABCG2 and downregulates GLUT9 to promote renal urate excretion. Xanthine oxidase-IN-23 reduces serum urate levels and improves renal function in hyperuricemic mice. Xanthine oxidase-IN-23 can be used in the research of hyperuricemia.

Xanthine oxidase-IN-20 is a potent and orally active xanthine oxidase (XO) inhibitor with an IC50 of 1.7 nM. Xanthine oxidase-IN-20 exhibits outstanding serum uric acid (SUA)-lowering efficacy in both mouse and rat acute hyperuricemia models. Xanthine oxidase-IN-20 shows favorable safety profile. Xanthine oxidase-IN-20 can be used for hyperuricemia and gout research.

Xanthine oxidase-IN-19 (Compound 13i) is an orally effective inhibitor of xanthine oxidase (XO), with an IC50 of 0.2 μM. Xanthine oxidase-IN-19 can significantly reduce serum uric acid levels in acute hyperuricemia rat models. Xanthine oxidase-IN-19 can be used for the study of acute hyperuricemia.