Levonorgestrel impurity B

cas: 19914-67-1 — see every product listed under this CAS number, including other names

Levonorgestrel impurity B (CAS 19914-67-1) is a chemical reagent available from Chemat. Available pack sizes: -. Offered by: Sigma-Aldrich.

brandSigma-Aldrich
catalog numberY0001379
cas19914-67-1
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Sigma-Aldrich - 695.70 Pln
Structural formula: {0} (CAS {1})

(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 (CAS 19914-67-1) is a chemical compound with the molecular formula C21H28O2 and a molecular weight of 312.4 g/mol. IUPAC name: (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. InChIKey: QCMLVDXPKCBMFQ-MJCUULBUSA-N.

Identity
Molecular formulaC21H28O2
Molecular weight312.4 g/mol
IUPAC name(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
InChIKeyQCMLVDXPKCBMFQ-MJCUULBUSA-N
SMILESCC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3CCC(=O)C4

Computed by PubChem (NCBI)

Synonyms: Levonorgestrel EP Impurity B, Levonorgestrel Impurity B, Levonoregestrel impurity B [EP], 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-5(10)-en-20-yn-3-one, (17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one, 18,19-Dinorpregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-, QCMLVDXPKCBMFQ-MJCUULBUSA-N, Levonorgestrel impurity B CRS, Norgestrel impurity B [EP IMPURITY], LEVONOREGESTREL IMPURITY B [EP IMPURITY]
Related forms of this compound
(8S,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 C21H28O2
Isomers (same molecular formula)
(8S,9R,10S,13R,14R,17S)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one C21H28O2
(8R,9S,10R,13S,14S,17Z)-17-ethylidene-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15-decahydrocyclopenta[a]phenanthrene-3,16-dione C21H28O2
2,6-ditert-butyl-4-phenylmethoxyphenol C21H28O2
(8R,9S,10R,13S,14S,17E)-17-ethylidene-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15-decahydrocyclopenta[a]phenanthrene-3,16-dione C21H28O2
(8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one C21H28O2
(8S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one C21H28O2
(8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one C21H28O2
(8R,9S,10R,13S,14S,17S)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one C21H28O2
(8R,9S,10R,13R,17S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,16,17-decahydrocyclopenta[a]phenanthren-3-one C21H28O2
(8R,9S,13S,14S)-13-methyl-3-propoxy-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one C21H28O2
(8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one C21H28O2

Also listed as

Levonorgestrel EP Impurity B Chemat Brand CAS 19914-67-1
Levonorgestrel Impurity 2（Levonorgestrel EP Impurity B） Hubei YoungXin CAS 19914-67-1
13-Ethyl-17-hydroxy-18,19-dinor-17Alpha-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity), >95% (HPLC) TRC CAS 19914-67-1
13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP Biosynth CAS 19914-67-1