Cas no 10116-22-0 (19-Norpregna-4,9-diene-3,20-dione,17-methyl-)

19-Norpregna-4,9-diene-3,20-dione,17-methyl- structure
10116-22-0 structure
Product Name:19-Norpregna-4,9-diene-3,20-dione,17-methyl-
CAS No:10116-22-0
MF:C21H28O2
MW:312.445826530457
CID:142501
PubChem ID:93057
Update Time:2025-04-19

19-Norpregna-4,9-diene-3,20-dione,17-methyl- Chemical and Physical Properties

Names and Identifiers

    • 19-Norpregna-4,9-diene-3,20-dione,17-methyl-
    • demegestone
    • 17-Methyl-19-norpregna-4,9-diene-3,20-dione
    • Dimegestone
    • Lutionex
    • R2453
    • R-2459
    • Demegestone [INN:DCF]
    • DTXSID20878581
    • NSC-118189
    • HY-113537
    • DB13857
    • 6E89AM91SZ
    • Demegestonum
    • RU 2453
    • CHEBI:135339
    • EINECS 233-320-6
    • 10116-22-0
    • DEMEGESTONE [MI]
    • R-2453
    • SCHEMBL146550
    • 17alpha-Methyl-19-demethylpregna-4,9-diene-3,20-dione
    • CHEMBL2104231
    • (8S,13S,14S,17S)-17-acetyl-13,17-dimethyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
    • NS00044143
    • DEMEGESTONE [MART.]
    • 19-Norpregna-4,9-diene-3,20-dione, 17-methyl-
    • AKOS040746746
    • D07223
    • R 2453
    • Demegestone (INN)
    • NSC 118189
    • CS-0062662
    • Demegestona
    • DEMEGESTONE [WHO-DD]
    • DEMEGESTONE [INN]
    • Demegestona [INN-Spanish]
    • UNII-6E89AM91SZ
    • Demegestonum [INN-Latin]
    • Q5255131
    • Inchi: 1S/C21H28O2/c1-13(22)20(2)11-9-19-18-6-4-14-12-15(23)5-7-16(14)17(18)8-10-21(19,20)3/h12,18-19H,4-11H2,1-3H3/t18-,19+,20-,21+/m1/s1
    • InChI Key: JWAHBTQSSMYISL-MHTWAQMVSA-N
    • SMILES: O=C(C)[C@@]1(C)CC[C@H]2[C@@H]3CCC4=CC(CCC4=C3CC[C@@]21C)=O

Computed Properties

  • Exact Mass: 312.20900
  • Monoisotopic Mass: 312.209
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 23
  • Rotatable Bond Count: 1
  • Complexity: 653
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 4
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 34.1A^2
  • XLogP3: 2.8

Experimental Properties

  • Color/Form: Solid powder
  • Density: 1.11
  • Melting Point: 106°
  • Boiling Point: 475.5°Cat760mmHg
  • Flash Point: 176.6°C
  • Refractive Index: 1.557
  • PSA: 34.14000
  • LogP: 4.78770
  • Specific Rotation: D -275° (c = 0.5 in ethanol)

19-Norpregna-4,9-diene-3,20-dione,17-methyl- Security Information

  • Signal Word:Warning
  • Storage Condition:Dry, dark and store at 0-4℃ for short term (days to weeks) or -20℃ for long term (Store correctly 2-3years).
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