Norgestimate
C23H31NO3
369.50
18,19-Dinor-17-pregn-4-en-20-yn-3-one, 17-(acetyloxy)-13-ethyl-, oxime, (17α)-(+)-;
(+)-13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one oxime acetate (ester) [35189-28-7]
18,19-Dinor-17-pregn-4-en-20-yn-3-one, 17-(acetyloxy)-13-ethyl-, oxime, (17α)-(+)-;
(+)-13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one oxime acetate (ester) [35189-28-7]
DEFINITION
Norgestimate is a mixture of (E)- and (Z)-isomers having a ratio of (E)- to (Z)-isomer between 1.27 and 1.78, and it contains NLT 98.0% and NMT 102.0% of norgestimate (C23H31NO3), calculated on the dried basis.
USP REFERENCE STANDARDS FOR PURCHASE
USP Deacetylnorgestimate RSUSP Norgestimate RS
USP Norgestimate Related Compound A RS