N-Desmethyl ulipristal

SL-4181

N-Desmethyl ulipristal, >98%

CAS No. : [159681-67-1]

IUPAC Name : (8S,11R,13S,14S,17R)-17-Acetyl-17-hydroxy-13-methyl-11-(4-(methylamino)phenyl)-6,7,8,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
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 : N-Desmethyl ulipristal is an impurity of Ulipristal, which is a selective progesterone receptor modulator. Ulipristal is used as an emergency contraceptive.

References : Gronemeijer H. et al.: J. Steroid Biochem., 40, 271, 1991; Spitz I. et al.: Contraception 48, 403, 1993; Conneely O. et al.: Steroids, 68, 771, 2003; Chwalisz K. et al.: Endocr. Rev., 26, 423, 2005.

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.