CDK9 Inhibitor

(R)-CR8, a second-generation analog of Roscovitine, is a potent CDK1/2/5/7/9 inhibitor. (R)-CR8 inhibits CDK1/cyclin B (IC₅₀=0.09 μM), CDK2/cyclin A (0.072 μM), CDK2/cyclin E (0.041 μM), CDK5/p25 (0.11 μM), CDK7/cyclin H (1.1 μM), CDK9/cyclin T (0.18 μM) and CK1δ/ε (0.4 μM). (R)-CR8 induces apoptosis and has neuroprotective effect. (R)-CR8 acts as a molecular glue degrader that depletes cyclin K.

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

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

Roniciclib is an orally bioavailable pan-cyclin dependent kinase (CDK) inhibitor, with IC₅₀s of 5-25 nM for CDK1, CDK2, CDK3, CDK4, CDK7 and CDK9.

PHA-793887 is a CDK inhibitor (with IC₅₀ values of 8 nM for Cdk2, 60 nM for Cdk1, 62 nM for Cdk4, 138 nM for Cdk9). PHA-793887 inhibits purified GSK3β (IC₅₀ 79 nM). PHA-793887 reduces the phosphorylation level of nucleophosmin/cdc6, induces G1/G2/M phase arrest, and triggers Apoptosis by activating Caspase-3. PHA-793887 exhibits anticancer activity against leukemia. PHA-793887 can be used in research related to acute leukemia, chronic myeloid leukemia, and advanced/metastatic solid tumors.

Atuveciclib (BAY-1143572) is a potent and highly selective, oral PTEFb/CDK9 inhibitor. Atuveciclib (BAY-1143572) inhibits CDK9/CycT1 with an IC₅₀ of 13 nM.

LDC000067 is a highly specific CDK9 inhibitor with an IC₅₀ value of 44±10 nM in vitro.

AZ5576 is a potent and highly selective CDK9 inhibitor (IC₅₀: <5 nM). AZ5576 inhibits the phosphorylation of RNA polymerase II at Ser2, thereby inhibiting transcriptional elongation. AZ5576 can be used for hematological Malignancy research.

GFB-12811 is a high selective CDK5 inhibitor with an IC₅₀ of 2.3 nM.

RGB-286638 is a potent inhibitor of CDK and MAPK9. RGB-286638 inhibits the activities of cyclin T1-CDK9, cyclin B1-CDK1, cyclin E-CDK2, cyclin D1-CDK4, cyclin E-CDK3 and p35-CDK5, with IC₅₀ values of 1, 2, 3, 4, 5 and 5 nM, respectively. RGB-286638 inhibits GSK-3β and TAK1, with IC₅₀ values of 3 nM and 5 nM, respectively. RGB-286638 induces caspase-dependent Apoptosis in cells. RGB-286638 delays tumor growth in an orthotopic glioblastoma mouse model. RGB-286638 extends survival in multiple myeloma models. RGB-286638 can be used in research related to glioblastoma and multiple myeloma.

CGP60474, a highly potent anti-endotoxemic agent, is a potent cyclin-dependent kinase (CDK) inhibitor (IC₅₀ values are 26, 3, 4, 216, 10, 200 and 13 nM for CDK1/B, CDK2/E, CDK2/A, CDK4/D, CDK5/p25, CDK7/H and CDK9/T, respectively). CGP60474 is a selective and ATP-competitive PKC inhibitor.

PHA-767491 hydrochloride is a dual Cdc7/Cdk9 inhibitor, with IC₅₀s of 10 nM and 34 nM, respectively.

Asnuciclib (CDKI-73; LS-007) is an orally active and highly efficacious CDK9 inhibitor, with K_i values of 4 nM, 4 nM and 3 nM for CDK9, CDK1 and CDK2, respectively. Asnuciclib down-regulates the RNAPII phosphorylation. Asnuciclib is also a novel pharmacological inhibitor of Rab11 cargo delivery and innate immune secretion.

JSH-150 is a highly selective and potent CDK9 inhibitor with an IC₅₀ of 1 nM.

SEL120-34A hydrochloride is a potent, selective, orally available, ATP-competitive CDK8 inhibitor, with IC₅₀s of 4.4 nM and 10.4 nM for CDK8/CycC and CDK19/CycC, respectively, with antitumor activity.

Voruciclib is an orally active and selective CDK inhibitor with K_i values of 0.626 nM-9.1 nM. Voruciclib potently blocks CDK9, the transcriptional regulator of MCL-1. Voruciclib represses expression of MCL-1 in multiple models of diffuse large B-cell lymphoma (DLBCL).

(R)-CR8 (CR8) trihydrochloride, a second-generation analog of Roscovitine, is a potent CDK1/2/5/7/9 inhibitor. (R)-CR8 trihydrochloride inhibits CDK1/cyclin B (IC₅₀=0.09 μM), CDK2/cyclin A (0.072 μM), CDK2/cyclin E (0.041 μM), CDK5/p25 (0.11 μM), CDK7/cyclin H (1.1 μM), CDK9/cyclin T (0.18 μM) and CK1δ/ε (0.4 μM). (R)-CR8 trihydrochloride induces apoptosis and has neuroprotective effect. (R)-CR8 trihydrochloride acts as a molecular glue degrader that depletes cyclin K.

PHA-767491 is a dual Cdc7/Cdk9 inhibitor, with IC₅₀s of 10 nM and 34 nM, respectively.

Samuraciclib (CT7001) is a potent, selective, ATP-competitive and orally active CDK7 inhibitor, with an IC₅₀ of 41 nM. Samuraciclib displays 45-, 15-, 230- and 30-fold selectivity over CDK1, CDK2 (IC₅₀ of 578 nM), CDK5 and CDK9, respectively. Samuraciclib inhibits the growth of breast cancer cell lines with GI₅₀ values between 0.2-0.3 μM. Samuraciclib has anti-tumor effects.

(±)-Enitociclib ((±)-BAY-1251152) is the racemic mixture of Enitociclib (HY-103019E). Enitociclib is a selective CDK9 inhibitor and apoptosis inducer. Enitociclib inhibits CDK9 activity and reduces the phosphorylation of Ser2 in the carboxyl-terminal domain (CTD) of RNA polymerase Pol II, thereby downregulating the transcription of key oncogenes such as MYC and MCL1. Enitociclib has anti-proliferative activity targeting MYC⁺ lymphoma and multiple myeloma (MM) cells, and has synergistic effects with Bortezomib (HY-10227) and Lenalidomide (HY-A0003), and can be used in the research of hematological malignancies.