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Substance Name: Norethindrone acetate [USP]
RN: 51-98-9
UNII: 9S44LIC7OJ
InChIKey: IMONTRJLAWHYGT-ZCPXKWAGSA-N

Note

  • Used for long-term contraception.

Molecular Formula

  • C22-H28-O3

Molecular Weight

  • 340.4602
 

Classification Codes

  • Contraceptive Agents
  • Contraceptive Agents, Female
  • Contraceptives, Oral
  • Contraceptives, Oral, Synthetic
  • Drug / Therapeutic Agent
  • Hormone
  • Human Data
  • Mutation Data
  • Progestin
  • Reproductive Control Agents
  • Reproductive Effect
  • Tumor Data
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Names and Synonyms

Name of Substance

  • Norethindrone acetate [USP]

Synonyms

  • (17-alpha)-17-(Acetyloxy)-19-norpregn-4-en-20-yn-3-one
  • (17-alpha)-Norethindrone acetate
  • 17-Acetoxy-19-nor-17-alpha-pregn-4-en-20-yn-3-one
  • 17-Acetoxy-19-nor-17alpha-pregn-4-en-20-yn-3-one
  • 17-Acetyloxy(17-alpha)-19-norpregn-4-estren-17-beta-ol-acetate-3-one
  • 17-alpha-Ethinyl-19-nortestosterone acetate
  • 17-alpha-Ethinyl-19-nortestosterone-17-beta-acetate
  • 17-alpha-Ethynyl-17-beta-acetoxy-19-norandrost-4-en-3-one
  • 17-alpha-Ethynyl-17-hydroxyestr-4-en-3-one acetate
  • 17-alpha-Ethynyl-19-nortestosterone acetate
  • 17-Hydroxy-19-nor-17-alpha-pregn-4-en-20-yn-3-one acetate
  • 17-Hydroxy-19-nor-17alpha-pregn-4-en-20-yn-3-one acetate
  • 17alpha-Ethinyl-19-nortestosterone 17beta-acetate
  • 17alpha-Ethinyl-19-nortestosterone-17beta-acetate
  • 17alpha-Ethynyl-17-hydroxyestr-4-en-3-one acetate
  • 17alpha-Ethynyl-17beta-acetoxy-19-norandrost-4-en-3-one
  • 17alpha-Ethynyl-19-nortestosterone acetate
  • 17beta-Acetoxy-19-nor-17alpha-pregn-4-en-20-yn-3-one
  • 17beta-Hydroxy-19-nor-17alpha-pregn-4-en-20-yn-3-one acetate
  • 19-nor-17alpha-Pregn-4-en-20-yn-3-one, 17-acetoxy-
  • 19-Norethindrone acetate
  • 19-Norethisterone acetate
  • 19-Norethynyltestosterone acetate
  • 4-08-00-01221 (Beilstein Handbook Reference)
  • Aygestin
  • BRN 2064104
  • CCRIS 485
  • EINECS 200-132-0
  • ENTA
  • Estr-4-en-3-one, 17alpha-ethynyl-17-hydroxy-, acetate
  • Ethinyl-nortestosterone acetate
  • Gestakadin
  • Milli-Anovlar
  • Milligynon
  • Miniphase
  • Monogest
  • Norethindrone 17-acetate
  • Norethindrone acetate
  • Norethisteron acetate
  • Norethisterone acetate
  • Norethynyltestosterone acetate
  • Norethysterone acetate
  • Norlutate
  • Norlutin A
  • Norlutin acetate
  • Norlutine acetate
  • NSC 22844
  • Orlutate
  • Primolut-Nor
  • Progylut
  • SH 420
  • UNII-9S44LIC7OJ

Systematic Names

  • 19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 17-acetoxy-
  • 19-Nor-17alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-, acetate (8CI)
  • 19-Norpregn-4-en-20-yn-3-one, 17-(acetyloxy)-, (17alpha)
  • Norethisterone acetate

Superlist Names

  • Norethindrone acetate
  • Norethisterone acetate

Mixture Names

  • Activella
  • Combipatch
  • Loestrin
  • Norlestrin

Registry Numbers

CAS Registry Number

  • 51-98-9

FDA UNII

  • 9S44LIC7OJ

System Generated Number

  • 0000051989

Structure Descriptors

InChI

1S/C22H28O3/c1-4-22(25-14(2)23)12-10-20-19-7-5-15-13-16(24)6-8-17(15)18(19)9-11-21(20,22)3/h1,13,17-20H,5-12H2,2-3H3/t17-,18+,19+,20-,21-,22-/m0/s1

InChIKey

IMONTRJLAWHYGT-ZCPXKWAGSA-N

Smiles

CC(=O)O[C@]1(CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@@H]4[C@H]3CC[C@]12C)C#C

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 161.5 deg C   EXP
log P (octanol-water) 3.990 (none)   EST
Water Solubility 5.35 mg/L 25 EXP
Atmospheric OH Rate Constant 1.10E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.