CDKs (Cyclin-dependent kinases) are serine-threonine kinases first discovered for their role in regulating the cell cycle. They are also involved in regulating transcription, mRNA processing, and the differentiation of nerve cells. CDKs are relatively small proteins, with molecular weights ranging from 34 to 40 kDa, and contain little more than the kinase domain. In fact, yeast cells can proliferate normally when their CDK gene has been replaced with the homologous human gene. By definition, a CDK binds a regulatory protein called a cyclin. Without cyclin, CDK has little kinase activity; only the cyclin-CDK complex is an active kinase. There are around 20 Cyclin-dependent kinases (CDK1-20) known till date. CDK1, 4 and 5 are involved in cell cycle, and CDK 7, 8, 9 and 11 are associated with transcription. CDK levels remain relatively constant throughout the cell cycle and most regulation is post-translational. Most knowledge of CDK structure and function is based on CDKs of S. pombe (Cdc2), S. cerevisia (CDC28), and vertebrates (CDC2 and CDK2). The four major mechanisms of CDK regulation are cyclin binding, CAK phosphorylation, regulatory inhibitory phosphorylation, and binding of CDK inhibitory subunits (CKIs).


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THZ1 2HCl

THZ1 is a selective and potent covalent CDK7 inhibitor with an IC50 of 3.2 nM.

  • CAS Number: 1604810-83-4
  • MF: C31H28ClN7O2
  • MW: 566.053
  • Catalog: CDK
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

N-Benzyl-2-chloro-9-methyl-9H-purin-6-amin

CDK2-IN-13 (Compound 15) is a CDK2 inhibitor with IC50 of 12 µM. CDK2-IN-13 can be used in research of cancer[1].

  • CAS Number: 101622-53-1
  • MF: C13H12ClN5
  • MW: 273.72100
  • Catalog: CDK
  • Density: 1.4g/cm3
  • Boiling Point: 443.1ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 221.8ºC

CDK4/6-IN-14

CDK4/6-IN-14 is a potent and highly selective CDK4 and CDK6 (CDK) inhibitor with IC50s of 10 nM and 16 nM, respectively. CDK4/6-IN-14 exhibits more than 60-fold selectivity over CDKs 1, 2, 7, and 9, and shows high selectivity among other 205 kinases[1].

  • CAS Number: 2699091-15-9
  • MF: C24H27ClFN7O
  • MW: 483.97
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

5-(Thieno[2,3-d]pyrimidin-4-ylamino)naphthalen-1-ol

CDK9-IN-15 (compound 50) is a potent CDK9 inhibitor[1].

  • CAS Number: 852678-17-2
  • MF: C16H11N3OS
  • MW: 293.34
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

NSC 625987

NSC 625987 is a specific and high-affinity CDK4 inhibitor with an IC50 of 0.2 μM for CDK4:cyclin D1. NSC 625987 shows >500-fold selectivity for CDK4 over CDK2[1].

  • CAS Number: 141992-47-4
  • MF: C15H13NO2S
  • MW: 271.33400
  • Catalog: CDK
  • Density: 1.32g/cm3
  • Boiling Point: 460.4ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 232.2ºC

CDK7/9-IN-1

CDK7/9-IN-1 is a cyclin-dependent kinases 7/9 (CDK7/9) inhibitor. CDK7/9-IN-1 selectively inhibits CDK7 over CDK9. CDK7/9-IN-1 inhibits CDK7 with IC50s of 0.0656 μM and 0.00574 μM without pre-incubation and after 3 hours pre-incubation, respectively. CDK7/9-IN-1 inhibits CDK9 with an IC50 of 2.14 μM after 3 hours pre-incubation. CDK7/9-IN-1 can be used for the research of cancer[1].

  • CAS Number: 2747919-19-1
  • MF: C24H32F3N5O2
  • MW: 479.54
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tacaciclib

Tacaciclib is a CDK inhibitor, antineoplastic effect[1].

  • CAS Number: 2768774-66-7
  • MF: C30H36N6O3
  • MW: 528.65
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Avotaciclib

Avotaciclib (BEY1107) is an orally active cyclin dependent kinase 1 (CDK1) inhibitor. Avotaciclib can be used for the research of cancer[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Abemaciclib Metabolites M2

Abemaciclib Metabolites M2 is a metabolite of abemaciclib, acts as a potent CDK4 and CDK6 inhibitor, with IC50s in the range of 1-3 nM. Anti-cancer activity[1].

  • CAS Number: 1231930-57-6
  • MF: C25H28F2N8
  • MW: 478.54
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

RP106

Aloisine RP106 (compound 38) is a potent inhibitor of Cdk1/cyclin B, Cdk5/p25, and GSK3 with IC50s of 0.70µM, 1.5µM, 0.92 µM, respectively[1].

  • CAS Number: 496864-15-4
  • MF: C16H17N3O
  • MW: 267.32600
  • Catalog: CDK
  • Density: 1.155g/cm3
  • Boiling Point: N/A
  • Melting Point: 182-184ºC
  • Flash Point: N/A

Flavopiridol

Flavopiridol is a broad spectrum and competitive inhibitor of CDKs, inhibiting CDK1, CDK2, CDK4 with IC50s of 30, 170, 100 nM, respectively.

  • CAS Number: 146426-40-6
  • MF: C21H20ClNO5
  • MW: 401.840
  • Catalog: Autophagy
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 603.6±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 318.8±31.5 °C

Cdc7-IN-6

Cdc7-IN-6 (compound I-D) is a potent Cdc7 kinase inhibitor (IC50=4 nM), extracted from patent WO2019165473A1, compound I- D, has anti-tumor activity[1].

  • CAS Number: 1402057-88-8
  • MF: C21H22F3N5O4
  • MW: 465.43
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Cdk2/Cyclin Inhibitory Peptide II

Cdk2/Cyclin Inhibitory Peptide II (Tat-LDL), a CDK2 inhibitor, kills U2OS osteosarcoma cells in a dose-dependent manner[1].

  • CAS Number: 237392-85-7
  • MF: C110H200N48O25
  • MW: 2595.07
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CDK9 inhibitor HH1

CDK9 inhibitor HH1 is a novel potent, highly selective CDK9 inhibitor.

  • CAS Number: 204188-41-0
  • MF: C13H15N3OS
  • MW: 261.343
  • Catalog: CDK
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 453.4±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 228.0±31.5 °C

CDK12-IN-4

CDK12-IN-4, a pyrazolotriazine, is a potent CDK12 inhibitor with an IC50 of 0.641 μM at high ATP (2 mM). CDK12-IN-4 has no effect on CDK2/Cyclin E (IC50>20 μM) and CDK9/Cyclin T1 (IC50>20 μM) at high ATP (2 mM) (WO2021116178A1)[1].

  • CAS Number: 2651196-69-7
  • MF: C20H20F2N8O
  • MW: 426.42
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SRX3177

SRX3177 is a potent, triple BRD4/PI3K/CDK4/6 inhibitor with nanomolar potency against PI3Kα (IC50=79 nM), BRD4 bromodomains (BD1 and BD2) (IC50=33 nM and 89 nM, respectively), and CDK4/6 (IC50=2.5/3.3 nM).SRX3177 is capable of targeting BRD4, PI3K and CDK4/6 simultaneously, induces apoptosis and cell cycle arrest and has in vitro efficacy in mantle cell lymphoma, hepatocellular carcinoma and neuroblastoma models.SRX3177 has antitumor efficacy in in vivo xenograft models and is less toxic than the combination of agents that inhibit individual targets.

  • CAS Number: 2241237-51-2
  • MF: C31H32N6O4S
  • MW: 584.695
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC CDK9 ligand-1

PROTAC CDK9 ligand-1 is a CDK9 ligand that can be used in the synthesis of PROTACs.

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Cdc7-IN-7

Cdc7-IN-7 (compound I-E) is a potent Cdc7 kinase inhibitor extracted from patent WO2019165473A1, compound I-E. Cdc7 is a serine-threonine protein kinase enzyme which is essential for the initiation of DNA replication in the cell cycle[1].

  • CAS Number: 1402059-17-9
  • MF: C21H22N4O5
  • MW: 410.42
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CDK4/6-IN-12

CDK4/6-IN-12 is a potent cyclin-dependent kinase 4/6 (CDK4/6) inhibitor. CDK4/6-IN-12 has enzymatic inhibitory activity for CDK4 and CDK6 with IC50 of 592.3 nM and 3090 nM, respectively. CDK4/6-IN-12 can be used for the research of cancer[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SC 221409

CDK2-IN-3 (compound 3) is a potent and selective CDK2 inhibitor with an 50 of 60 nM[1].

  • CAS Number: 222035-13-4
  • MF: C14H11BrN4O3S
  • MW: 395.231
  • Catalog: CDK
  • Density: 1.9±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Cdc7-IN-10

Cdc7-IN-10 is a highly potent Cdc7 inhibitor with IC50≤1 nM. Cdc7-IN-10 can be used for researching proliferative diseases[1].

  • CAS Number: 2649409-20-9
  • MF: C20H22F2N4O2S
  • MW: 420.48
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Cdc7-IN-1

Cdc7-IN-1 (Compound 13) is a highly potent, selective and ATP competitive inhibitor of Cdc7 kinase, with an IC50 value of 0.6 nM at 1 mM ATP and with slow off-rate characteristics. Cdc7-IN-1 potently inhibits Cdc7 activity in cancer cells, and effectively induces cell death[1].

  • CAS Number: 1402055-25-7
  • MF: C21H16ClN3O4
  • MW: 409.82
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

LDC4297 hydrochloride

LDC4297 hydrochloride is a selective inhibitor of CDK7 with an IC50 value of 0.13 nM. LDC4297 hydrochloride inhibits human cytomegalovirus (HCMV) replication with an EC50 value of 24.5 nM. LDC4297 hydrochloride shows broad antiviral activities to Herpesviridae, Adenoviridae, Poxviridae, Retroviridae and Orthomyxoviridae with EC50 values of 0.02-1.21 μM. LDC4297 hydrochloride can be used for the research of infection[1].

  • CAS Number: 2319747-14-1
  • MF: C23H29ClN8O
  • MW: 468.98
  • Catalog: HIV
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

HDAC1/2 and CDK2-IN-1

HDAC1/2 and CDK2-IN-1 (compound 14d) is a potent HDAC1, HDAC2 and CDK2 dual inhibitor, with IC50 values of 70.7, 23.1 and 0.80 μM, respectively. HDAC1/2 and CDK2-IN-1 can block the cell cycle and induce apoptosis. HDAC1/2 and CDK2-IN-1 exhibits desirable in vivo antitumor activity[1].

  • CAS Number: 2418559-01-8
  • MF: C26H22ClN7O
  • MW: 483.95
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

(R)​-​CR8

(R)​-​CR8 (CR8), a second-generation analog of Roscovitine, is a potent CDK1/2/5/7/9 inhibitor. (R)​-​CR8 (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 (CR8) induces apoptosis and has neuroprotective effect[1][2].

  • CAS Number: 294646-77-8
  • MF: C24H29N7O
  • MW: 431.533
  • Catalog: Apoptosis
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 671.4±65.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 359.8±34.3 °C

CDK4/6-IN-9

CDK4/6-IN-9 (compound 10) is a selective CDK4/6 inhibitor with an IC50 of 905 nM for CDK6/cyclin D1. CDK4/6-IN-9 has the potential for multiple myeloma (MM) research[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

palbociclib

Palbociclib (PD 0332991) is a selective CDK4 and CDK6 inhibitor with IC50s of 11 and 16 nM, respectively. Palbociclib is a drug for the treatment of ER-positive and HER2-negative breast cancer.

  • CAS Number: 571190-30-2
  • MF: C24H29N7O2
  • MW: 447.533
  • Catalog: CDK
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 711.5±70.0 °C at 760 mmHg
  • Melting Point: 200ºC
  • Flash Point: 384.1±35.7 °C

LY3405105

LY3405105 is an orally active CDK7 inhibitor with an IC50 of 92.8 nM. LY3405105 shows potential antineoplastic activity.

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CDK-IN-10

CDK-IN-10 (example 54) is a cyclin dependent kinase (CDK) inhibitor that can be used in cancer research[1].

  • CAS Number: 660822-84-4
  • MF: C18H18N4O2
  • MW: 322.36
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Roscovitine (CYC202)

Roscovitine is a potent and selective CDKs inhibitor with IC50s of 0.2 μM, 0.65 μM, and 0.7 μM for CDK5, Cdc2, and CDK2, respectively.

  • CAS Number: 186692-46-6
  • MF: C19H26N6O
  • MW: 354.449
  • Catalog: CDK
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 577.5±60.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 303.1±32.9 °C