PARP1/NAMPT-IN-1 is a potent and dual PARP1 and NAMPT inhibitor with IC50 values of 1.2 nM and 6.7 nM, respectively. PARP1/NAMPT-IN-1 can disrupt the homologous recombination repair (HRR) pathway, leading to the accumulation of DNA double-strand breaks (DSBs), inducing cell cycle arrest and apoptosis, and also has antimigratory effects. PARP1/NAMPT-IN-1 exhibits excellent antitumor effects in a breast cancer xenograft model. PARP1/NAMPT-IN-1 can be used for the study of triple-negative breast cancer (TNBC).

PARP1/ERK IN-1 is a dual PARP1/ERK inhibitor, with a PARP1 IC50 of 0.9 nM and an ERK2 IC50 of 1.8 nM. PARP1/ERK IN-1 inhibits proliferation and migration of various cancer cell lines, and induces apoptosis and DNA damage. PARP1/ERK IN-1 suppresses tumor growth in mouse models of colorectal cancer, and reduces the expression of Ki‑67, BRCA1 and Rad51. PARP1/ERK IN-1 can be used in the research of colorectal cancer, triple-negative breast cancer and pancreatic cancer.

PARP1/c-Met-IN-3 (Compound L19) is a selective c-Met and PARP1 inhibitor, with an IC50 of 5.4 nM against c-Met and an IC50 of 3.7 nM against PARP1. PARP1/c-Met-IN-3 inhibits PARP2 enzymatic activity with an IC50 of 4.52 nM, and shows no specificity for PARP1 and PARP2. PARP1/c-Met-IN-3 induces cell cycle arrest and apoptosis. PARP1/c-Met-IN-3 exhibits anti-tumor activity against triple-negative breast cancer.

Pantothenate kinase-IN-3 is a PANK3-selective binder and CoA biosynthesis activator with a human PANK3 Ki of 9.1 nM, human PANK3 Ka of 1.8 nM, human PANK1β Ki of 113 nM, human PANK1β Ka of 23.4 nM, and oral effectiveness.Pantothenate kinase-IN-3 binds PANK3 via a water-mediated interaction between its sulfonamide NH and Gly193, elevates cellular, hepatic, and forebrain CoA levels, and shows improved metabolic stability in mouse and human microsomes.Pantothenate kinase-IN-3 has solubility properties favorable at pH 7.Pantothenate kinase-IN-3 can be used for the research of hepatic metabolic CoA deficiencies (acidemias).

PANK1/3 activator 1 (Compound 134) is a PANK1/3 activator with EC50 values of 0.011 and 0.065 μM. PANK1/3 activator 1 can be used for the research on diseases related to coenzyme A levels, such as CASTOR disease and organic acidemia.

Palmitoyl glutathione is a palmitoylated peptide derivative and a liver-targeted liposome-forming agent. Palmitoyl glutathione can form liposome-like vesicles with cholesterol, which can encapsulate water-soluble solutes and remain stable in fresh Rattus norvegicus (rat) plasma at 37°C. Palmitoyl glutathione can be used in studies related to acetaminophen-induced liver necrosis.

PAC-Phe-Val is a potent HIV-1 protease inhibitor with an IC50 value of 33.10 nM. PAC-Phe-Val forms stable and strong interactions with critical active site residues, contributing to its high inhibitory potency. PAC-Phe-Val can be used for HIV/AIDS research.

Paclitaxel-maleimide is Paclitaxel modified with a maleimide linker. Paclitaxel-maleimide shows strong BSA binding ability. Paclitaxel-maleimide can be used in tumor research.

p53-Y220C/PLK1 modulator-1 (compound15) is a dual modulator targeting p53-Y220C and PLK1. p53-Y220C/PLK1 modulator-1 can be used in the cancer.

P-536 is a ACE inhibitor that also inhibits herpes simplex virus HSV-1 thymidine kinase and Trypanosoma cruzi RNA polymerase. By inhibiting the renin-angiotensin system, downregulating the expression of AT1R and NOX4, and reducing oxidative stress (decreasing plasma hydrogen peroxide (H2O2) and 8-isoprostaglandin levels), P-536 effectively reduces systolic blood pressure and improves vascular reactivity. P-536 also inhibits the replication of DNA/RNA viruses such as HSV-1 by blocking nucleotide metabolism and nucleic acid synthesis, competitively inhibits RNA synthesis in Trypanosoma cruzi, and inhibits amastigote replication, thereby impeding its growth. P-536 is suitable for research on hypertension, insulin resistance, and Chagas disease.

P53 mutant stabilizer-1 (compound 274) is a covalent mutant p53 stabilizer. P53 mutant stabilizer-1 can be used for the study of wild-type function of p53 mutants, such as cancers associated with p53 mutation.

P5(PEG24)-Osu is a type of PROTAC linker and belongs to the PEG category. P5(PEG24)-Osu can be used for the synthesis of PROTAC molecules.

P38α-IN-11 (Compound 16c) is a p38α inhibitor with a KD value of 586 nM. P38α-IN-11 can be used for research on cervical cancer.

p38 MAP Kinase-IN-2 (Compound 5) is a p38 MAP Kinase inhibitor. p38 MAP Kinase-IN-2 can be used for the research of cancer.

P300-IN-6 is an orally active histone acetyltransferase p300 HAT domain inhibitor with human IC50 values of 7 nM. P300-IN-6 suppresses c-Myc expression, decreases H3K18ac and H3K27ac levels, and inhibits cancer cell proliferation.P300-IN-6 suppresses tumor growth in xenograft mouse models.P300-IN-6 can be used for the research of multiple myeloma.

P2L-003 is a selective PAR2 antagonist with an IC50 of 0.62 μM in HT-29 cells. P2L-003 blocks PAR2-mediated Ca2+ mobilization without affecting PAR1, PAR4, or ATP-mediated signaling and dose-dependently suppresses the downstream MAPK signaling cascades, including ERK1/2 and p38 phosphorylation. P2L-003 can be used for colon cancer research.

P-1946 is a HIV protease inhibitor with a human HIV-1 protease Ki of 2.600 nM. P-1946 has potent and selective in vitro antiviral activity and retains full antiviral activity against HIV isolates resistant to commercially available protease inhibitors. P-1946 can be used for the research of human immunodeficiency virus type 1 (HIV-1) infection.

OZD-MET 01 is a chaperone-med iatedprotein PROTAC-type MET degrader. OZD-MET 01 can inhibit proliferation of H596 and H1437 cells with IC50 values of 3.07 and 3.5 μM. OZD-MET 01 can be used for the research of cancer, such as non-small cell lung cancer. (Structure Note: Pink: MET ligand; Blue: chaperone ligand; MET ligand-Linker:)

Oxazole-4-carboxylic acid (1,3-Oxazole-4-carboxylic acid) is a metal-organic framework (MOF).

OV329 hydrochloride is a potent GABA aminotransferase inactivator. OV329 hydrochloride is a Vigabatrin analogue. OV329 hydrochloride can increase brain GABA levels and block abnormal intracerebral hyperexcitability. OV329 hydrochloride exhibits anticonvulsant and antiepileptic activities. OV329 hydrochloride can be used for the research of neurological disease, such as seizure.

OTOP1-IN-1 (compound C2.2) is a potent zebrafish Otopetrin 1 (OTOP1) inhibitor with an IC50 of 6.67 µM. OTOP1-IN-1 exhibits selectivity for zebrafish OTOP1 over mOTOP1 and hOTOP1.

OT-7100 is an orally active analgesic agent. OT-7100 inhibits hyperalgesia possibly by enhancing adenosinergic neurotransmission in the dorsal horn. OT-7100 can be used for the researches of inflammation, neurological and metabolic disease such as diabetes2].

Osutidine is a selective histamine H2 receptor antagonist, can effectively inhibit histamine-stimulated gastric acid secretion. Osutidine does not affect [14C]aminopyrine accumulation stimulated by carbachol or dibutyryl-cAMP. Osutidine is insurmountable and includes non-competitive inhibition. Osutidine can be used for the study of gastric mucosal injury.

Osaterone acetate is an orally active steroid anti-androgen agent, mainly used for benign prostatic hyperplasia (BPH) in dogs. Osaterone acetate competitively antagonizes androgen receptor and inhibits 5α-reductase, reducing the concentration of dihydrotestosterone (DHT) while blocking the growth-stimulating effects of testosterone and DHT on prostate cells. Osaterone acetate can rapidly alleviate the symptoms of BPH in dogs without affecting the fertility of breeding dogs.

ortho-Topolin riboside is a naturally occurring cytokinin secreted from Populus x robusta leaves after sunrise. ortho-Topolin riboside has shown unique cytotoxic activity against NCI60 cell lines compared with the activity of other cytokinins.ortho-Topolin riboside induced differentiation through inhibition of STAT3 signaling in acute myeloid leukemia HL-60 cells.

ORG-25435 is an alpha amino acid phenolic ester derivative. ORG-25435 has intravenous anesthesia activity. ORG-25435 can be used for anesthesia related research.

Org20599 methanesulfonate is a direct agonist of the GABAA receptor with an EC50 of 1.1 μM. Org20599 methanesulfonate can be used in the research of neurological disorders.

Orexin receptor antagonist 6 (Compound 72) is a selective orexin 1 receptor (OX1) antagonist with a Ke of 8.5 nM and > 1180-fold selectivity for OX2. Orexin receptor antagonist 6 does not produce its own conditioned place preference (CPP) or aversive effects, and can inhibit the formation of CPP induced by psychoactive substances. Orexin receptor antagonist 6 can be used for research of neurological disease.

OPN-9643 is a covalent inhibitor targeting the central palmitate binding pocket of TEADs with an IC50 of 15 nM, preventing autopalmitoylation and reducing TEAD-driven luciferase activity and canonical TEAD targets, CTGF and CYR61. OPN-9643 can be used for the research of cancer, such as melanoma.

OPC-18750 is a novel positive inotropic agent and 2(lH)-quinolinone derivative. OPC-18750 displays positive inotropic and coronary vasodilating effects.