Contamination and Impurities
Regulatory Consultations

Technical Data

CAS Number

302-79-4

Alternate CAS#

NA

Molecular Formula

C20H28O2

Molecular Weight

300.44 g/mol

IUPAC Chemical Name

(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid

Synonyms

Tretinoin (USP, EP); Isotretinoin EP Impurity A

USP Name

Tretinoin (USP)

EP Name

Isotretinoin EP Impurity A; Tretinoin (EP)

Appearance Specifications

Light Yellow to Yellow Solid

Storage Condition

-20°C Freezer,Under inert atmosphere, protect from light

Material Type

Primary Standard

Melting Point

178 °C

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