Contamination and Impurities
Regulatory Consultations

Technical Data

CAS Number

162401-62-9

Alternate CAS#

NA

Molecular Formula

C12H12F2O4

Molecular Weight

258.22 g/mol

IUPAC Chemical Name

3-(cyclopropylmethoxy)-4-(difluoromethoxy)benzoic acid

Synonyms

Roflumilast USP Related Compound D; Roflumilast Carboxylic Acid Impurity

USP Name

Roflumilast USP Related Compound D

EP Name

NA

Appearance Specifications

White to Off-White Solid

Storage Condition

Refrigerator, Under inert atmosphere, protect from light

Material Type

Primary Standard

Melting Point

121 °C

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