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

MedKoo CAT#: 562919

CAS#: 879487-87-3

Description: R-268712 is a specific inhibitor of activin receptor-like kinase 5 (ALK5). It is also an orally active transforming growth factor-β type I receptor inhibitor.

Chemical Structure

CAS# 879487-87-3

Theoretical Analysis

MedKoo Cat#: 562919
Name: R-268712
CAS#: 879487-87-3
Chemical Formula: C20H18FN5O
Exact Mass: 363.1495
Molecular Weight: 363.39
Elemental Analysis: C, 66.10; H, 4.99; F, 5.23; N, 19.27; O, 4.40

Price and Availability

Size Price Availability Quantity
100.0mg USD 525.0 2 Weeks
250.0mg USD 975.0 2 Weeks
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Synonym: R-268712; R 268712; R268712;

IUPAC/Chemical Name: 2-[4-[2-Fluoro-5-[3-(6-methylpyridine-2-yl)-1H-pyrazol-4-yl] phenyl] pyrazol-1-yl]ethanol


InChi Code: InChI=1S/C20H18FN5O/c1-13-3-2-4-19(24-13)20-17(11-22-25-20)14-5-6-18(21)16(9-14)15-10-23-26(12-15)7-8-27/h2-6,9-12,27H,7-8H2,1H3,(H,22,25)


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: >2 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

Preparing Stock Solutions

The following data is based on the product molecular weight 363.39 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

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1: Terashima H, Kato M, Ebisawa M, Kobayashi H, Suzuki K, Nezu Y, Sada T. R-268712, an orally active transforming growth factor-β type I receptor inhibitor, prevents glomerular sclerosis in a Thy1 nephritis model. Eur J Pharmacol. 2014 Jul 5;734:60-6. doi: 10.1016/j.ejphar.2014.03.045. Epub 2014 Apr 12. PubMed PMID: 24726873.


100.0mg / USD 525.0