Pregna-​4,​9(11)​-​diene-​3,​20-​dione

cas: 17652-16-3 — see every product listed under this CAS number, including other names

Pregna-​4,​9(11)​-​diene-​3,​20-​dione (CAS 17652-16-3) is a chemical reagent available from Chemat. Available pack sizes: 50mg, 100mg. Offered by: Biosynth.

brandBiosynth
catalog numberSAA65216-50mg
cas17652-16-3
size50mg
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properties

categoryResearch Chemicals
sub-category 1Sourcing
purityNo data
delivery time3-4 weeks
Structural formula: {0} (CAS {1})

Pregna-4,9(11)-diene-3,20-dione is a 20-oxo steroid, a 3-oxo-Delta(4) steroid and a C21-steroid. It derives from a hydride of a pregnane.

Source: ChEBI

Identity
Molecular formulaC21H28O2
Molecular weight312.4 g/mol
IUPAC name(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
InChIKeyLCXMRSLFWMMCAS-WRJHFWDFSA-N
SMILESCC(=O)[C@H]1CC[C@@H]2[C@@]1(CC=C3[C@H]2CCC4=CC(=O)CC[C@@]43C)C

Computed by PubChem (NCBI)

Synonyms: Pregna-4,9(11)-diene-3,20-dione, 9-Dehydro-Progesterone, Progesterone impurity K [EP], PROGESTERONE IMPURITY K [EP IMPURITY], PROGESTERONE IMPURITY K (EP IMPURITY), Progesterone impurity K, Progesterone EP Impurity K, Pregna-4,9(11)-diene-3,20-dione (90%), Pregna-?4,?9(11)?-?diene-?3,?20-?dione (90%), 9,11-Dehydroprogesterone
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,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
(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
(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
(8S,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one C21H28O2

Also listed as

Progesterone EP Impurity K Chemat Brand CAS 17652-16-3
Progesterone Impurity 12（Progesterone EP Impurity K） Hubei YoungXin CAS 17652-16-3
Pregna-4,9(11)-diene-3,20-dione (90%) TRC CAS 17652-16-3
Pregna-4,9(11)-diene-3,20-dione (90%), 98%, 98% Chemat CAS 17652-16-3
Pregna-4,9(11)-diene-3,20-dione (90%), 98% Chemat CAS 17652-16-3
Progesterone impurity 7, 98% Progesterone impurity 7, 98% Fluorochem CAS 17652-16-3
Progesterone-9-ene Sigma-Aldrich CAS 17652-16-3
Progesterone impurity K Supelco CAS 17652-16-3