Norethisterone Acetate (CAS 51-98-9) Sigma-Aldrich

Norethisterone Acetate molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of Norethisterone Acetate (CAS 51-98-9). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	51-98-9
Molecular formula	C22H28O3
Molecular weight	340.46 g/mol
IUPAC name	[(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate
Synonyms	Norethindrone acetate · 19-Norethindrone acetate · Norlutin acetate · ENTA · Norethisteron acetate · 19-Norethisterone acetate

Safety & Hazards (GHS) Danger

Health hazard

H351 Suspected of causing cancer
H360 May damage fertility or the unborn child

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	NORETHINDRONE ACETATE, UNITED STATES PHA	1470004-100MG	Request Quote
Sigma	NORETHISTERONE ACETATE	N1225000	Request Quote
Sigma	NORETHISTERONE ACETATE FOR SYSTEM SUITAB	Y0001532	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.