small molecule

Norethisterone

Synonyms/Brands: microgestin, Norethindrone, Norethisteron, Noretisterona, Norethisteronum, 19-Norethisterone, 19-Nor-ethindrone, norethindrone and , 19-nor-17-ethynyltestosterone, 17-ethinyl-19-nortestosterone, 19-Nor-17alpha-ethynyltestosterone, 17alpha-Ethynyl-19-nortestosterone, 17alpha-Ethinyl-19-nortestosterone, 17-alpha-Ethynyl-19-nortestosterone, 19-Nor-17-alpha-ethynyltestosterone, 17alpha-Ethynyl-4-estren-17-ol-3-one, 17-alpha-Ethynyl-4-estren-17-ol-3-one, 4-Estren-17alpha-ethynyl-17beta-ol-3-one, 17alpha-Ethinylestra-4-en-17beta-ol-3-one, 17alpha-Ethynyl-17-hydroxy-4-estren-3-one, 17-alpha-Ethynyl-17-hydroxy-4-estren-3-one, 17beta-Hydroxy-19-norpregn-4-en-20-yn-3-one, 17-beta-Hydroxy-19-norpregn-4-en-20-yn-3-one, 19-Nor-17alpha-ethynylandrosten-17beta-ol-3-one, 17-Hydroxy-19-nor-17alpha-pregn-4-en-20-yn-3-one, 19-Nor-17-alpha-ethynylandrosten-17-beta-ol-3-one, 17-Hydroxy-19-nor-17-alpha-pregn-4-en-20-yn-3-one, 17alpha-Ethynyl-19-norandrost-4-en-17beta-ol-3-one, 17alpha-Ethynyl-19-nor-4-androsten-17beta-ol-3-one, 17-alpha-Ethynyl-19-norandrost-4-en-17-beta-ol-3-one ...
Norethisterone (INN, BAN), also known as Norethindrone (USAN), is a synthetic progestational hormone with actions similar to those of progesterone but functioning as a more potent inhibitor of ovulation. It has weak estrogenic and androgenic properties. The hormone has been used in treating amenorrhea, functional uterine bleeding, endometriosis, and for contraception.
Molecular Formula: C20H26O2
Molecular Weight:: 298.4192
CAS:: 68-22-4
ATC:: G03AB04, G03FA01, G03AA05, G03DC02, G03FB05, G03AC01
InChiKey:: VIKNJXKGJWUCNN-XGXHKTLJSA-N
InChi:: InChI=1S/C20H26O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,12,15-18,22H,4-11H2,2H3/t15-,16+,17+,18-,19-,20-/m0/s1
SMILES:: [H][C@@]12CC[C@@](O)(C#C)[C@@]1(C)CC[C@]1([H])[C@@]3([H])CCC(=O)C=C3CC[C@@]21[H]
IUPAC Name:: (1S,2R,10R,11S,14R,15S)-14-ethynyl-14-hydroxy-15-methyltetracyclo[8.7.0.0,.0,]heptadec-6-en-5-one
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