SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 429.5 g/mol |
|---|---|
| XLogP3 | 3.1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 4 |
| Exact Mass | 429.22770851 g/mol |
| Monoisotopic Mass | 429.22770851 g/mol |
| Topological Polar Surface Area | 88.4 Ų |
| Heavy Atom Count | 32 |
| Formal Charge | 0 |
| Complexity | 754 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Narazaciclib is an orally bioavailable inhibitor of NUAK family SNF1-like kinase 1 (AMPK-related protein kinase 5; ARK5), and the cyclin-dependent kinases 4 (CDK4) and 6 (CDK6), with potential antineoplastic activity. Upon oral administration,narazaciclib specifically binds to and inhibits ARK5, which interferes with the activation of ARK5-mediated signal transduction pathways and reduces cell proliferation in cancer cells that overexpress ARK5. In addition, ON 123300 inhibits CDK4 and 6 and prevents the phosphorylation of retinoblastoma (Rb) protein in early G1. Inhibition of Rb phosphorylation prevents CDK-mediated G1-S phase transition, which causes G1 phase cell cycle arrest, suppresses DNA synthesis and inhibits cancer cell growth. ARK5, a member of the AMP-activated protein kinase (AMPK) family, is associated with tumor growth and invasion. Overexpression of CDK4/6, which is seen in certain types of cancer, causes cell cycle deregulation.

