Norethisterone acetate oxime

Norethisterone acetate oxime

Clinical data
Other names	Norethindrone acetate oxime; ORF-5263; So-36; Norethisterone-3-oxime acetate; 17α-Ethynyl-19-nortestosterone 3-oxime 17β-acetate
Routes of administration	By mouth
Drug class	Progestogen; Progestogen ester
Identifiers
IUPAC name (1S,2R,5E,10R,11S,14R,15S)-14-ethynyl-5-(hydroxyimino)-15-methyltetracyclo[8.7.0.02,7.011,15]heptadec-6-en-14-yl acetate
CAS Number	20799-24-0
PubChem CID	91758682
UNII	VFK4D40PMQ
Chemical and physical data
Formula	C22H29NO3
Molar mass	355.478 g·mol−1
3D model (JSmol)	Interactive image
SMILES CC(=O)O[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C/C(=N/O)/CC[C@H]34)C)C#C
InChI InChI=1S/C22H29NO3/c1-4-22(26-14(2)24)12-10-20-19-7-5-15-13-16(23-25)6-8-17(15)18(19)9-11-21(20,22)3/h1,13,17-20,25H,5-12H2,2-3H3/b23-16+/t17-,18+,19+,20-,21-,22-/m0/s1 Key:SCTDPGXGNWEFNF-LQRGBYOBSA-N

Norethisterone acetate oxime (developmental code names ORF-5263, So-36), or norethindrone acetate oxime, is a steroidal progestin of the 19-nortestosterone group which was developed as a postcoital contraceptive but was never marketed.^[1] It is the C3 oxime and C17β-acetate ester of norethisterone.^[1]

• List of progestogens
• List of progestogen esters

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