Desogestrel EP impurity E

SL-4870

Desogestrel EP impurity E, >98%

CAS No. : [70805-85-5]

Synonyms : 13-Ethyl-11-methylidene-18,19-dinor-17α-pregn-4-en-20-yne-3β,17-diol; 13-Ethyl-11-methylidene-18 ;Desogestrel USP related compound B; 3β-Hydroxydesogestrel

IUPAC Name : (3S,8S,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-11-methylene-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol

Price And Availability
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5MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026
10MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026
25MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026
50MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026
100MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026

Applications : This is an impurity of Desogestrel (Desogestrel EP impurity E), which is a synthetic progestational hormone used often as the progestogenic component of combined oral contraceptive agents.

References : Verhoeven C. H. et al.: Drug Metab Dispos, 26(9), 927-36, 1998.

Storage : Keep container tightly closed under nitrogen or argon and refrigerate for long-term shelf life.

Caution : In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.