Betamethasone 9,11-epoxide (Standard)

cas: 981-34-0 — see every product listed under this CAS number, including other names

Betamethasone 9,11-epoxide (Standard) (CAS 981-34-0) is a chemical reagent available from Chemat. Available pack sizes: Get quote. Offered by: MedChemExpress.

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Structural formula: {0} (CAS {1})

(1S,2S,10S,11S,13S,14R,15S,17S)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one (CAS 981-34-0) is a chemical compound with the molecular formula C22H28O5 and a molecular weight of 372.5 g/mol. IUPAC name: (1S,2S,10S,11S,13S,14R,15S,17S)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one. InChIKey: GBDXNHBVYAMODG-DEGNENOVSA-N.

Identity
Molecular formulaC22H28O5
Molecular weight372.5 g/mol
IUPAC name(1S,2S,10S,11S,13S,14R,15S,17S)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one
InChIKeyGBDXNHBVYAMODG-DEGNENOVSA-N
SMILESC[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]35[C@@H](O5)C[C@@]2([C@]1(C(=O)CO)O)C)C

Computed by PubChem (NCBI)

Synonyms: Betamethasone 9,11-Epoxide, BETAMETHASONE IMPURITY E [EP IMPURITY], BECLOMETHASONE DIPROPIONATE IMPURITY R [EP IMPURITY], 9,11beta-Epoxy-17,21-dihydroxy-16beta-methyl-9beta-pregna-1,4-diene-3,20-dione, BETAMETHASONE IMPURITY E (EP IMPURITY), BECLOMETHASONE DIPROPIONATE IMPURITY R (EP IMPURITY), 16-beta Methyl Epoxide, 9beta,11beta-Epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione, 9b,11b-Epoxy-17,21-dihydroxy-16b-methylpregna-1,4-diene-3,20-dione, Betamethasone EP Impurity E
Related forms of this compound
(1S,2S,10S,11S,13R,14R,15S,17S)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one C22H28O5
(1R,2S,10S,11S,13S,14R,15S,17R)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one C22H28O5
(1R,2S,10S,11S,13R,14R,15S,17R)-14-hydroxy-14-(2-hydroxyacetyl)-2,13,15-trimethyl-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-5-one C22H28O5
Isomers (same molecular formula)
(6S,8S,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione C22H28O5
4-[[(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]oxy]-4-oxobutanoic acid C22H28O5
[(8R,9S,13S,14S,16R,17R)-17-acetyloxy-3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-16-yl] acetate C22H28O5
(8S,9S,10R,13S,14S,16R,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione C22H28O5
(8S,9S,10R,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione C22H28O5
2-[(6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde C22H28O5
(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-16-methylidene-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one C22H28O5
(10S,11S,13S,14S,16S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,11,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-3-one C22H28O5
(2R,3S,4S,5S)-2,5-bis(3,4-dimethoxyphenyl)-3,4-dimethyloxolane C22H28O5

Also listed as

Beclomethasone Dipropionate EP Impurity R (Betamethasone 9,11-Epoxide) Chemat Brand CAS 981-34-0
9beta,11beta-Epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione, >95% (HPLC) TRC CAS 981-34-0
9b,11b-Epoxy-17,21-dihydroxy-16b-methylpregna-1,4-diene-3,20-dione, >95% (HPLC) TRC CAS 981-34-0
9,11beta-Epoxy-17,21-dihydroxy-16beta-methyl-9beta-pregna-1,4-diene-3,20-dione Mikromol CAS 981-34-0
Betamethasone 9,11–epoxide GLPBio CAS 981-34-0
Betamethasone 9,11-epoxide Biosynth CAS 981-34-0
EPOXY BETAMETHASONE Sigma-Aldrich CAS 981-34-0
Beclometasone dipropionate impurity 11, 99.99% MedChemExpress CAS 981-34-0
Beclometasone dipropionate impurity 11 Fluorochem CAS 981-34-0

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