MedKoo Cat#: 462535 | Name: CR8 free base
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

(R)-CR8 free base, a second-generation analog of Roscovitine, is a potent CDK1/2/5/7/9 inhibitor. It inhibits CDK1/cyclin B, CDK2/cyclin A, CDK2/cyclin E, CDK5/p25, CDK7/cyclin H, CDK9/cyclin T and CK1δ/ε. (R)-CR8 trihydrochloride induces apoptosis and has neuroprotective effect.

Chemical Structure

CR8 free base
CR8 free base
CAS#294646-77-8 (free base)

Theoretical Analysis

MedKoo Cat#: 462535

Name: CR8 free base

CAS#: 294646-77-8 (free base)

Chemical Formula: C24H29N7O

Exact Mass: 431.2434

Molecular Weight: 431.54

Elemental Analysis: C, 66.80; H, 6.77; N, 22.72; O, 3.71

Price and Availability

Size Price Availability Quantity
25mg USD 385.00 2 Weeks
50mg USD 700.00 2 Weeks
100mg USD 1,250.00 2 Weeks
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Synonym
(R)-CR8; CR8, (R)-Isomer-CR8; CR8 free base; CR8 free base; CR-8 free base;
IUPAC/Chemical Name
(R)-2-((9-isopropyl-6-((4-(pyridin-2-yl)benzyl)amino)-9H-purin-2-yl)amino)butan-1-ol
InChi Key
HOCBJBNQIQQQGT-LJQANCHMSA-N
InChi Code
InChI=1S/C24H29N7O/c1-4-19(14-32)28-24-29-22(21-23(30-24)31(15-27-21)16(2)3)26-13-17-8-10-18(11-9-17)20-7-5-6-12-25-20/h5-12,15-16,19,32H,4,13-14H2,1-3H3,(H2,26,28,29,30)/t19-/m1/s1
SMILES Code
CC[C@@H](NC1=NC(NCC2=CC=C(C3=NC=CC=C3)C=C2)=C4N=CN(C(C)C)C4=N1)CO
Appearance
Solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 431.54 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Bettayeb K, Oumata N, Echalier A, et al. CR8, a potent and selective, roscovitine-derived inhibitor of cyclin-dependent kinases. Oncogene. 2008;27(44):5797-5807. doi:10.1038/onc.2008.191 2: Kabadi SV, Stoica BA, Loane DJ, Luo T, Faden AI. CR8, a novel inhibitor of CDK, limits microglial activation, astrocytosis, neuronal loss, and neurologic dysfunction after experimental traumatic brain injury. J Cereb Blood Flow Metab. 2014;34(3):502-513. doi:10.1038/jcbfm.2013.228