13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol (~90%) (Levo Norgestrel Impurity)

CAS: 32419-58-2

Ref. TR-E916950

Product Information

• Name: 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol (~90%) (Levo Norgestrel Impurity)
• Synonyms: 18,19-Dinorpregn-4-en-20-yn-17-ol, 13-ethyl-, (17α)- (9CI), 18,19-Dinor-17α-pregn-4-en-20-yn-17-ol, 13-ethyl-, 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol (3-Deoxolevonorgestrel), Levonorgestrel Imp. D
• Brand: TRC
• Description: Impurity Levonorgestrel EP Impurity DApplications 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol (Levonorgestrel EP Impurity D) is an impurity of Levonorgestrel.References McGinty, D., et al.: Endocrinology, 24, 829 (1939), Belanger, A., et al.: Steroids, 37, 361 (1981), Nieman, L., et al.: J. Clin. Endocrinol. Metab., 61, 536 (1985), Klebe, G., et al.: J. Med. Chem., 37, 4130 (1994),

Chemical properties

• Molecular weight: 298.46
• Formula: C₂₁H₃₀O
• Color/Form: Neat
• InChI: InChI=1S/C21H30O/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/h2,7,16-19,22H,3,5-6,8-14H2,1H3/t16-,17+,18+,19-,20-,21-/m0/s1
• SMILES: C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CCCC[C@@H]4[C@H]3CC[C@@]21CC