(17a)-13-Ethyl-18,19-Dinorpregn-4-en-20-yn-17-ol
[CAS# 32419-58-2]

Identification

• Name: (17a)-13-Ethyl-18,19-Dinorpregn-4-en-20-yn-17-ol
• Synonyms: 13-Ethyl-18,19-Dinor-17A-Pregn-4-En-20-Yn-17-Ol(Levonorgestrel Impurity D); 13-Ethyl-18,19-Dinor-17Α-Pregn-4-En-20-Yn-17-Ol (Levo Norgestrel Impurity); 13-Ethyl-18,19-Dinor-17A-Pregn-4-En-20-Yn-17-Ol (Levo Norgestrel Impurity)
• Molecular Formula: C₂₁H₃₁O
• Molecular Weight: 299.47
• CAS Registry Number: 32419-58-2
• SMILES: CC[CH]12CC[C@H]3[C@H]([C@@H]1CC[C@@]2(O)C#C)CCC1=CCCC[C@H]31
• InChI: 1S/C21H31O/c1-3-20-13-11-17-16-8-6-5-7-15(16)9-10-18(17)19(20)12-14-21(20,22)4-2/h2,7,16-20,22H,3,5-6,8-14H2,1H3/t16-,17+,18+,19-,21-/m0/s1