Methyl Heptadecanoate
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
C18H3602 284.48 CAS RN: 1731-92-6.-White, crystalline flakes.
Assay: Inject an appropriate specimen into a gas chromatograph (see Chromatography (621)) equipped with a flame-ionization detector, helium being used as the carrier gas. The following conditions have been found suitable: a 0.25-mm x 30-m capillary column coated with a 1-µm layer of phase G8; the injection port temperature is maintained at 220"; the detector temperature is maintained at 220°; the column temperature is maintained at 180" and programmed to rise 4º per minute to 220°. The area of the C18H3602 , peak is not less than 99% of the total peak area.
MELTING RANGE (741): between 31° and 32°.
