Sitagliptin Impurity 91 CAS 1391554-42-9

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.1391554-42-9
Molecular FormulaC13H14F3NO3
Molecular Weight289.25 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Sitagliptin Impurity 91 CAS 1391554-42-9 chemical structure

Description

CATO supplies Sitagliptin Impurity 91 (CAS 1391554-42-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H14F3NO3. Molecular weight: 289.25 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC13H14F3NO3
Molecular Weight289.25 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Halogen ContentF-containing
Nitrogen Atoms1

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