ChemicalBook--->CAS DataBase List--->294646-77-8

294646-77-8

294646-77-8 Structure

294646-77-8 Structure
IdentificationBack Directory
[Name]

2-(R)-(1-Ethyl-2-hydroxyethylamino)-6-(4-(2-pyridyl)benzyl)-9-isopropylpurinetrihydrochloride
[CAS]

294646-77-8
[Synonyms]

R8
(R)-CR8
(S)-CR8
CR8, (R)-Isomer
CR8, (R)-Isomer - CAS 294646-77-8 - Calbiochem
(R)-2-(1-Hydroxybut-2-ylamino)-6-[4-(2-pyridyl)phenylmethylamino]-9-iso-propylpurine
2-(R)-(1-Ethyl-2-hydroxyethylamino)-6-(4-(2-pyridyl)benzyl)-9-isopropylpurinetrihydrochloride
(2R)-2-[[9-(1-Methylethyl)-6-[[[4-(2-pyridinyl)phenyl]methyl]amino]-9H-purin-2-yl]amino]-1-butanol
(2R)-2-[[9-(1-Methylethyl)-6-[[[4-(2-pyridinyl)phenyl]methyl]amino]-9H-purin-2-yl]amino]-butanol-1
1-Butanol,2-[[9-(1-Methylethyl)-6-[[[4-(2-pyridinyl)phenyl]Methyl]aMino]-9H-purin-2-yl]aMino]-,(2R)-
[Molecular Formula]

C24H29N7O
[MDL Number]

MFCD18785641
[MOL File]

294646-77-8.mol
[Molecular Weight]

431.53
Chemical PropertiesBack Directory
[Melting point ]

98-100℃
[storage temp. ]

2-8°C
[solubility ]

DMSO: ≥10mg/mL
[form ]

powder
[color ]

off-white
[Stability:]

Stable for 2 years as supplied. Solutions in DMSO may be stored at -20°C for up to 1 month.
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

22
[WGK Germany ]

3
Hazard InformationBack Directory
[Description]

CR8 (294646-77-8) is a second generation analog of roscovitine which inhibits cyclin-dependent kinases with increased potency, Cdk1/cyclin B, Cdk2/cyclin A, Cdk2/cyclin E, Cdk5, p25, and Cdk9/cyclin T, IC50s=0.09, 0.072, 0.041, 0.11 and 0.18 μM respectively.1,2 Acts as a molecular glue degrader that depletes cyclin K.3 CR8 displays neuroprotective effects in various models including traumatic brain injury.4
[Uses]

CR8, (R)-Isomer is a cell-permeable, ATP-binding pocket-targeting CDK/CK1 dual-specific inhibitor.
[Biochem/physiol Actions]

CR8 is a potent and selective inhibitor of cyclin dependent kinase (CDK1, 2, 5, 7, and 9). CR8 is a more potent pyridyl analogue of roscovitine (Cat. No. R7772). In comparison to roscovirtine, the compound gains in potency toward CK1, which is involved in amyloid-β formation. The R-CR8 enantiomer is slightly more potent than S. CR8 is around 30 times more potent at cellular assay then roscovitine. Acts as a molecular glue to induce cyclin K degradation.
[storage]

Store at -20°C
[References]

Bettayeb et al. (2008), C8, a potent and selective, roscovitine-derived inhibitor of cyclin-dependent kinases; Oncogene, 27 5797 Bettayeb et al. (2010), CDK Inhibitors Roscovitine and CR8 Trigger Mcl-1 Down-Regulation and Apoptotic Cell Death in Neuroblastoma Cells; Genes Cancer, 1 369 Slabiki et al. (2020), The CDK inhibitor CR8 acts as a molecular glue degrader that depletes cyclin K; Nature, 585 293 Aubrecht et al. (2018), Comparing effects of CDK inhibitor and E2F1/2 ablation on neuronal cell death pathways in vitro and after traumatic brain injury; Cell Death Dis., 9 112
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