Norgestomet

Norgestomet
Clinical data
Trade names	Syncro-Mate B, Crestar
Other names	Norgestamet; SC-21009; 11β-Methyl-17α-acetoxy-19-norprogesterone; 17α-Hydroxy-11β-methyl-19-norpregn-4-ene-3,20-dione acetate
Drug class	Progestogen; Progestin; Progestogen ester
Identifiers
	IUPAC name [(8R,9S,10R,11S,13S,14S,17R)-17-acetyl-11,13-dimethyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate;
CAS Number	25092-41-5;
PubChem CID	9820838;
ChemSpider	7996587;
UNII	3L33UD42X4;
CompTox Dashboard (EPA)	DTXSID901016491 ;
ECHA InfoCard	100.042.359
Chemical and physical data
Formula	C23H32O4
Molar mass	372.505 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CC1CC2(C(CCC2(C(=O)C)OC(=O)C)C3C1C4CCC(=O)C=C4CC3)C;
	InChI InChI=1S/C23H32O4/c1-13-12-22(4)20(9-10-23(22,14(2)24)27-15(3)25)19-7-5-16-11-17(26)6-8-18(16)21(13)19/h11,13,18-21H,5-10,12H2,1-4H3/t13-,18-,19-,20-,21+,22-,23-/m0/s1; Key:IWSXBCZCPVUWHT-VIFKTUCRSA-N;

Norgestomet, or norgestamet, sold under the brand name Syncro-Mate B and Crestar, is a progestin medication which is used in veterinary medicine to control estrus and ovulation in cattle.