Tofacitinib Impurity 141 (Mixture of Tautomeric Isomers) CAS 1245811-22-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.1245811-22-6
Molecular Formula2*C6H4ClN3O
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tofacitinib Impurity 141 (Mixture of Tautomeric Isomers) CAS 1245811-22-6 chemical structure

Description

Tofacitinib Impurity 141 (Mixture of Tautomeric Isomers) (CAS 1245811-22-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: 2*C6H4ClN3O. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular Formula2*C6H4ClN3O
Molecular Weight169.57 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms3

Related Tofacitinib Standards

Recommended Standards

Why CATO?