Tofacitinib Impurity 133 CAS 10132-07-7

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.10132-07-7
Molecular FormulaC4H3Cl2N3
Molecular Weight163.99 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tofacitinib Impurity 133 CAS 10132-07-7 chemical structure

Description

Tofacitinib Impurity 133 (CAS 10132-07-7) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C4H3Cl2N3. Molecular weight: 163.99 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC4H3Cl2N3
Molecular Weight163.99 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
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)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1959
Halogen ContentCl-containing
Nitrogen Atoms3

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