Finasteride EP impurity A

SL-6379

Finasteride EP impurity A, >98%

CAS No. : [98319-24-5]

Synonyms : (5a,17b)-N-(1,1-Dimethylethyl)-3-oxo-4-aza-androstane-17-carboxamide; Finasteride USP related compound A; 1,2-Dihydro finasteride; Finasteride dihydro impurity; 1,2-Dihydro finasteride impurity

IUPAC Name : (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(tert-Butyl)-4a,6a-dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
100MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026
250MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026
500MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026
1G	Request A Quote		In Stock	Estimated to ship on 20 September 2026
5G	Request A Quote		In Stock	Estimated to ship on 20 September 2026

Applications : This is an impurity of Finasteride (Finasteride EP impurity A), which is a potent, reversible inhibitor of the rat type 1 5 alpha-reductase, used in the treatment of benign prostatic hyperplasia (BPH) and male pattern baldness (MPB).

References : Azzolina B. et al.: J. Steroid Biochem Mol Biol., 61(1-2), 55-64, 1997; Bologna M. et al.: Urology 45(2), 282-290, 1995; Wang L. G. et al.: Cancer Res., 57(4), 714-719, 1997; Clark R. L. et al.: Teratology 42(1), 91-100, 1990; Rittmaster R. S. et al.; Endocrinology 136(2), 741-748, 1995.

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.