Roflumilast Impurity 11 CAS 159783-78-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.159783-78-5
Molecular FormulaC5H4BrClN2
Molecular Weight207.46 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Roflumilast Impurity 11 CAS 159783-78-5 chemical structure

Description

CATO supplies Roflumilast Impurity 11 (CAS 159783-78-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H4BrClN2. Molecular weight: 207.46 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC5H4BrClN2
Molecular Weight207.46 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
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.)2002
Halogen ContentCl/Br-containing
Nitrogen Atoms2

Related Roflumilast Standards

Recommended Standards

Why CATO?