Norethindrone
CAS Registry Number®
68-22-4
No image available.
CAS Name
NorethindroneMolecular Formula
C20H26O2Molecular Mass
298.42Cite this Page
Norethindrone. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?ref=68-22-4 (retrieved ) (CAS RN: 68-22-4). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Melting Point (1)
203-204 °C
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
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
InChIKey
InChIKey=VIKNJXKGJWUCNN-XGXHKTLJSA-N
SMILES
C[C@@]12[C@]([C@]3([C@](CC1)([C@@]4(C(CC3)=CC(=O)CC4)[H])[H])[H])(CC[C@]2(C#C)O)[H]
Canonical SMILES
O=C1C=C2CCC3C(CCC4(C)C3CCC4(O)C#C)C2CC1
Other Names for this Substance
- 19-Norpregn-4-en-20-yn-3-one, 17-hydroxy-, (17α)-
- 19-Nor-17α-pregn-4-en-20-yn-3-one, 17-hydroxy-
- (17α)-17-Hydroxy-19-norpregn-4-en-20-yn-3-one
- 17α-Ethinylestr-4-en-17β-ol-3-one
- 17α-Ethinyl-17β-hydroxy-Δ4-estren-3-one
Deleted or Replaced CAS Registry Numbers
1050679-17-8
