N1-Methyl-2'-O-Methylpseudo-UTP is a modified uridine triphosphate and can be used for RNA synthesis.

5'-Amino-5'-deoxyuridine is a nucleoside analog that can be used in nucleic acid synthesis.

ddATP (lithium) (2',3'-Dideoxyadenosine 5'-triphosphate (lithium)) is an active metabolite of 2',3'-dideoxyinosine and a DNA polymerase chain elongation inhibitor. ddATP (lithium) is used in Sanger DNA sequencing and in research related to viral infection[1][2][3][4][5].

Adenosyl-(3′→5′)-uridine (ApU) sodium is a nucleotide, which is composed of an adenine base and a uracil sugar molecule through a 3'-5' phosphodiester bond. Adenosyl-(3′→5′)-uridine (ApU) sodium participates in the biological processes, such as gene expression regulation, signal transduction, and protein synthesis.

D156844 (Compound 11a) hydrochloride is a SMN2 promoter activator with an EC50 of 4 nM. D156844 hydrochloride increases the mRNA expression of the mouse SMN in NSC-34 cells and human SMN2 promoter in severe type I spinal muscular atrophy (SMA) fibroblasts as well as full-length human SMN protein. D156844 hydrochloride overcomes DHFR inhibition. D156844 hydrochloride can be used for SMA research.

Guanine-2'-deoxy-β-L-ribofuranosyl-5'-O-triphosphate (sodium) is an isomer of dGTP and an inhibitor of telomerase with a Ki of 15 μM for human enzyme.

AP232 is a selective U2AF1-UHM Inhibitor with an IC50 of 7.96 μM. AP232 exhibits 2.8-24-fold selectivity against other UHM-containing proteins. AP232 exerts anti-leukemia activity and shows higher activities in cell lines carrying splicing factor mutations. AP232 can induce leukemia cells G2/M and G1 arrest, impair lysosome acidification, and inhibit autophagy. AP232 can be used for the research of cancer, such as Leukemia.

FR-β ligand 1 (III), a folate receptor-targeting ligand, possesses antitumor activity, high selectivity, and stronger affinity for folate receptor.

NBTI 5463 is a bacterial type II topoisomerases (topoisomerase II) inhibitor with antibacterial activity. NBTI 5463 inhibits GyrA and TopoIV in Pseudomonas aeruginosa and Escherichia coli. NBTI 5463 binds to topoisomerase II to prevent DNA cleavage and religation, inhibiting bacterial DNA replication and transcription. NBTI 5463 is promising for research of Gram-negative bacterial infection.

MCL1020 is a CHK1 inhibitor with an IC50 of 1.61 μM. MCL1020 properly occupies the ATP pocket by interacting with a diverse range of the sites of CHK1 kinase. MCL1020 can be used for the study of hematologic malignancies.

CGP-79807 is a purine-based CDK inhibitor. CGP-79807 can block the cell cycle by inhibiting CDK activity to suppress the proliferation of tumor cells. CGP-79807 can be used in the study of cancer.

Lotixparib (Example 1) is an inhibitor of poly(ADP-ribose)polymerase-1 (PARP-1). Lotixparib has cytoprotective effect against a retinal disease. Lotixparib can be studied in research for PARP-1-associated diseases.

Trabectedin derivative 1 TFA is a selective DNA minor groove binder. Trabectedin derivative 1 TFA inhibits DNA transcription and repair to induce tumor cell apoptosis. Trabectedin derivative 1 TFA is promising for research of solid tumors such as soft tissue sarcoma and ovarian cancer.

ARN21929 is a Topoisomerase II inhibitor with an IC50 of 4.5 μM. ARN21929 exhibits excellent kinetic and thermodynamic solubility as well as metabolic stability. However, ARN21929 shows poor antiproliferative activity against A549, DU145, MCF7, HeLa, and A375 cells. ARN21929 can be used in the study of cancer.

SM311 (Compound 10), a chemical probe, is a potent selective irreversible LIMK1 inhibitor (EC50=0.045 μM, >30-fold selective over LIMK2). SM311 blocks cofilin phosphorylation and actin cytoskeleton regulation. SM311 is promising for research of neurodegenerative diseases like Fragile X syndrome (FXS) and Alzheimer’s disease, as well as tumor invasion.

MK-5108-NH-PEG2-alkyne is a Aurora kinase A (AURKA) inhibitor. MK-5108-NH-PEG2-alkyne can be used for synthesis of PROTAC AURKA degrader 1.

Cystemustine is a DNA inhibitor (a chloroethyl nitrosourea, CENU). Cystemustine can cause DNA cross-linking, thereby inhibiting the proliferation of tumor cells. Cystemustine can also exert cytotoxic effects by interfering with the cell cycle, inducing cell re-differentiation, and altering phospholipid metabolism. Cystemustine exhibits high anti-tumor activity and a relatively short plasma half-life in mice. Cystemustine can be used for the study of various malignant tumors, including melanoma, glioma, renal cancer, head and neck cancer, and colorectal cancer, etc.

Metralindole is an inhibitor of human cyclin-dependent kinase CDK2 and human protein kinase CK2 holoenzyme. Metralindole shows good potential as a non-small cell lung cancer inhibitor.

RB-90740 is a type of biological reducing agent. RB-90740 is activated through metabolic reduction and generates cytotoxic products, thereby selectively killing tumor cells (usually in a hypoxic environment). RB-90740 has selective toxicity towards hypoxic cells, which is mainly achieved by causing DNA strand breaks and activating reducing enzymes (such as Cytochrome P450). RB-90740 does not initially exhibit cytotoxicity similar to its in vitro properties in hypoxic cells in mouse models. RB-90740 can be used to study the tumor physiological environment

ZINC000081009201 is a potent poly(ADP-ribose) polymerase 1 (PARP1) inhibitor with an IC50 value of 1.4767 μM. ZINC000081009201 is promising for research of triple-negative breast cancer (TNBC).

DHI1 is an anti-leukemia agent with high selectivity for Jurkat (IC50 = 21.83 μM) and HL-60 (IC50 = 19.14 μM) leukemia cells and has low toxicity to non-cancerous cells. DHI1 can induce G2/M phase cell arrest in Jurkat and HL-60 leukemia cells, as well as S phase arrest in HL-60 cells, and has significant effects on cell cycle signaling molecules Wee1, cyclin B1, cdc2 on Tyr15, and Chk1. DHI1 inhibits the migration and invasion of Jurkat and HL-60 cells by disrupting cytoskeletal actin filaments. DHI1 can be used to study hematological malignancies.

CZL-S092 is a PLK4 inhibitor with an IC50 value of 0.9 nM and excellent selectivity over other PLK4 family members (PLK1, PLK2, and PLK3). CZL-S092 exhibits anti-neuroblastoma activity in vitro (IMR-32 cells, IC50 = 1.143 μM). CZL-S092 inhibits cell migration and halts the cell cycle and induces apoptosis. CZL-S092 can be used in studies of various cancers including neuroblastoma cancer.

NP1867 is a potent, selective, covalent PMS2 inhibitor. NP1867 functionally inhibits DNA mismatch repair. NP1867 enhances immune surveillance. NP1867 can be used in the research of colorectal cancer.

WRN inhibitor 19 (Compound 40) is a WRN helicase inhibitor (IC50: 3.7 nM). WRN inhibitor 19 exhibits selective antiproliferative activity in WRN-dependent cancer cells. WRN inhibitor 19 inhibits WRN helicase function by competitively binding to the ATP site and induces DNA damage and cell cycle arrest. WRN inhibitor 19 can be used in the study of WRN-dependent cancers.

PD-166285 is a PKMYT1 inhibitor, with an IC50 value of 17 nM. PD166285 shows strong antiproliferative effects against CCNE1-amplified OVCAR3 cells (IC50 = 0.14 μM) and HCC1569 cells (IC50 = 0.21 μM). PD166285 induces apoptosis and arrests CCNE1-amplified HCC1569 cells at the G1/S phase of the cell cycle. PD166285 can be used for the research of PKMYT1-targeted therapies for CCNE1-amplified cancers.

CGP-74514 dihydrochloride is a highly selective cyclin-dependent kinase 1 (CDK1) inhibitor (IC50=25 nM). CGP-74514 dihydrochloride inhibits CDK1/cyclin B complex activity, arrests the cell cycle at G2/M phase and induces tumor cell apoptosis. CGP-74514 dihydrochloride is promising for research of bladder cancer.

A-620223 is a PARP-1 inhibitor with a Ki of 8 nM against PARP-1 and EC50 of 3 nM in a whole cell assay. A-620223 demonstrates good in vivo efficacy in a B16F10 subcutaneous murine melanoma model in combination with Temozolomide (TMZ) and in an MX-1 breast xenograph model in combination with Cisplatin. A-620223 can be used for the studies of melanoma and breast cancer.

Topobexin (Topobexin 9) is a highly selective inhibitor for TOP2B. Topobexin selectively inhibits TOP2B in vitro and immobilizes TOP2B on DNA. Topobexin demonstrates significant protection of cardiomyocytes against DAU-induced damage. Topobexin prevents anthracycline-induced cardiotoxicity and DAU-induced decrease in LV systolic function in vivo with rabbit model.

KB-0742 hydrochloride is a potent, selective and orally active CDK9 inhibitor with an IC50 of 6 nM for CDK9/cyclin T1. KB-0742 hydrochloride is selective for CDK9/cyclin T1 with >50-fold selectivity over other CDK kinases. KB-0742 hydrochloride has potent anti-tumor activity.

XSJ110 is a potent irreversible topoisomerase I (Topo I) inhibitor with an IC50 value of 0.133 μM. XSJ110 blocks DNA topoisomerization, induces DNA double-strand breaks, and triggers cell cycle arrest at G0/G1 phase, inducing tumor cell apoptosis. XSJ110 is promising for research of ampullary carcinoma (AC).