Ulipristal impurity-1

SL-2443

Ulipristal impurity-1, >98%

CAS No. : [33300-19-5]

MDL No. : MFCD23160372

Synonyms : (17α)-3,3-[1,2-Ethanediylbis(oxy)]-17-hydroxyestra-5(10),9(11)-diene-17-carbonitrile

IUPAC Name : (8S,13S,14S,17R)-17-Hydroxy-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-17-carbonitrile

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
50MG	165.00		In Stock	Estimated to ship on 20 September 2026
500MG	1295.00		In Stock	Estimated to ship on 20 September 2026

Applications : This 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.