Crisaborole Impurity 44 CAS 14348-38-0

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.14348-38-0
Molecular FormulaC7H5BrO3
Molecular Weight217.02 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Crisaborole Impurity 44 CAS 14348-38-0 chemical structure

Description

CATO supplies Crisaborole Impurity 44 (CAS 14348-38-0), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H5BrO3. Molecular weight: 217.02 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC7H5BrO3
Molecular Weight217.02 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity>95%
StorageStore in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961
Halogen ContentBr-containing

Related Crisaborole Standards

Recommended Standards

Why CATO?