Products 19457-55-7

CAS 19457-55-7 appears in our catalog under these names: Exemestane EP Impurity E, 1,2-Dihydro Exemestane, >95% (HPLC), 6-Methylideneandrost-4-ene-3,17-dione, Exemestane EP Impurity E (Exemestane USP Related Compound A), 1,2–Dihydro Exemestane. Offered by: Chemat Brand, TRC, Mikromol, GLPBio, TCI. Available pack sizes: on request, 100mg, 1g, 4x25mg, 25mg, 25g, 5g, 250mg.

Exemestane EP Impurity E
Chemat Brand
  • size: on request
  • Variants: 1
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1,2-Dihydro Exemestane, >95% (HPLC)
TRC
  • size: 100mg, 1g
  • Variants: 2
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6-Methylideneandrost-4-ene-3,17-dione
Mikromol
  • size: 4x25mg
  • Variants: 1
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Exemestane EP Impurity E (Exemestane USP Related Compound A)
Mikromol
  • size: 25mg, 100mg
  • Variants: 2
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1,2–Dihydro Exemestane
GLPBio
  • size: 1g, 25g, 5g
  • Variants: 3
from 592.36
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6-Methyleneandrost-4-ene-3,17-dione, >98.0%(HPLC)
TCI
  • size: 1g, 5g
  • Variants: 2
from 123.26
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Exemestane Related Compound A
Biosynth
  • size: 100mg, 250mg
  • Variants: 2
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6-Methyleneandrost-4-ene-3,17-dione, 97%, 97%
Chemat
  • size: 250mg, 1g, 5g, 10g
  • Variants: 4
from 78.80
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6-Methyleneandrost-4-ene-3,17-dione
Fluorochem
  • size: 250mg, 1g, 5g
  • Variants: 3
from 102.07
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Structural formula: {0} (CAS {1})

(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,17-dione (CAS 19457-55-7) is a chemical compound with the molecular formula C20H26O2 and a molecular weight of 298.4 g/mol. IUPAC name: (8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,17-dione. InChIKey: KQRGETZTRARSMA-DAELLWKTSA-N.

Identity
Molecular formulaC20H26O2
Molecular weight298.4 g/mol
IUPAC name(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,17-dione
InChIKeyKQRGETZTRARSMA-DAELLWKTSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(=C)C4=CC(=O)CC[C@]34C

Computed by PubChem (NCBI)

Synonyms: 6-methyleneandrost-4-ene-3,17-dione, 1,2-Dihydro Exemestane, Exemestane EP Impurity E, 6-Methylideneandrost-4-ene-3,17-dione, 6-Methyleneandrost-4-en-3,17-dione, KQRGETZTRARSMA-DAELLWKTSA-N, 6-methylenandrost-4-en-3,17-dione, 6-methylenandrost-4-ene-3,17-dione, 6-Methylen-androst-4-ene-3,17-dione, 6-methylene-androst-4-ene-3,17-dione
Isomers (same molecular formula)
1-butoxy-4-(4-butoxyphenyl)benzene C20H26O2
4-[2-(4-hydroxy-3,5-dimethylphenyl)butan-2-yl]-2,6-dimethylphenol C20H26O2
(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one C20H26O2
(13S,14S,17S)-13-ethyl-3-methoxy-6,7,11,12,14,15,16,17-octahydrocyclopenta[a]phenanthren-17-ol C20H26O2
(8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-6-methylidene-8,9,11,12,14,15,16,17-octahydro-7H-cyclopenta[a]phenanthren-3-one C20H26O2
(8S,9S,10R,14S)-13-ethyl-11-methylidene-2,6,7,8,9,10,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione C20H26O2
(8R,9S,10R,13S,14S,17S)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one C20H26O2