Chemical Compound

Levonorgestrel Impurity B

CAS Registry Number 19914-67-1
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Levonorgestrel Impurity B chemical structure
Primary Record

Levonorgestrel Impurity B

In stock
633 g
Purity
98.3 %
CAS
19914-67-1

Compound Identifiers & Properties

CAS
19914-67-1
PubChem CID
29979902
SMILES
CC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3CCC(=O)C4
Canonical SMILES
C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=C(CCC(=O)C4)[C@H]3CC[C@@]21CC

Names & Synonyms

  • Levonorgestrel Impurity B
  • Levonorgestrel EP Impurity B
  • E8SU3M53QV
  • UNII-E8SU3M53QV
  • UCL9B6Y5RB
  • (Levo Norgestrel Impurity)
  • 19914-67-1
  • EP Levonorgestrel Impurity B
  • Levonoregestrel impurity B [EP]
  • Levonorgestrel impurity B CRS
  • QCMLVDXPKCBMFQ-MJCUULBUSA-N
  • SCHEMBL11856287
  • DTXSID80652581
  • ZINC22058995
  • Norgestrel impurity B [EP IMPURITY]
  • IE23089
  • CID 29979902
  • LEVONOREGESTREL IMPURITY B [EP IMPURITY]
  • 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-5(10)-en-20-yn-3-one
  • 13-Ethyl-17|A-ethynyl-17-hydroxygon-5(10)-en-3-one
  • 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one
  • (17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
  • (8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
  • 13beta-ethyl-17alpha-ethynyl-17beta-hydroxy-gon-5(10)-en-3-one
  • 18,19-Dinorpregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-
  • (17|A)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
  • (17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-y n-3-one
  • 13-Ethyl-17-hydroxy-18,19-dinor-17-pregn-5(10)-en-20-yn-3-one
  • 13-Ethyl-17-hydroxy-18,19-dinor-17?-pregn-5(10)-en-20-yn-3-one
  • 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP
  • (17.ALPHA.)-13-ETHYL-17-HYDROXY-18,19-DINORPREGN-5(10)-EN-20-YN-3-ONE
  • 13-ETHYL-17-HYDROXY-18,19-DINOR-17.ALPHA.-PREGN-5(10)-EN-20-YN-3-ONE
  • 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one, (17alpha)-
  • 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one, (17alpha)-(+/-)-
  • 18,19-DINORPREGN-5(10)-EN-20-YN-3-ONE, 13-ETHYL-17-HYDROXY-, (17.ALPHA.)-
  • 18,19-Dinorpregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(+/-)-
  • rac-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-5(10)-en-20-yn-3-one
  • (17a)-13-ethyl-17-hydroxy-18,19-Dinorpregn-5(10)-en-20-yn-3-one; 18,19-Dinor-17a-pregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy- (7CI,8CI); 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one; Levonorgestrel Imp. B (EP)
  • (1R,3aS,3bR,9bS,11aS)-11a-Ethyl-1-ethynyl-1-hydroxy-1,2,3,3a,3b,4,5,6,8,9,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one
  • (8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
  • (8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
  • 1095-74-5
  • 13-Ethyl-17-hydroxy-18,19-dinor-17|A-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity)
  • 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity)
  • 13-Ethyl-17-hydroxy-18,19-dinor-17Alpha-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity)