Tofacitinib Impurity 59 CAS 2250241-69-9

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.2250241-69-9
Molecular FormulaC13H11N3O3S
Molecular Weight289.31 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tofacitinib Impurity 59 CAS 2250241-69-9 chemical structure

Description

CATO supplies Tofacitinib Impurity 59 (CAS 2250241-69-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H11N3O3S. Molecular weight: 289.31 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC13H11N3O3S
Molecular Weight289.31 g/mol
Purity>90%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Nitrogen Atoms3
Sulfur Atoms1

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