C22H28O5
372.5 g/mol
Pharmaceutical IntermediateWarning
Dexamethasone 9,11-Epoxide
CAS24916-90-3EC246-529-2
Category
Pharmaceutical Intermediate
Compound Class
Steroid
Primary Use
Pharmaceutical Intermediate
Dexamethasone 9,11-Epoxide is a steroidal epoxy compound and a key pharmaceutical intermediate used in the industrial synthesis of dexamethasone, a widely used corticosteroid. Its structure features a pentacyclic skeleton with multiple hydroxyl and carbonyl groups.
Pharmaceutical intermediate for dexamethasone manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 24916-90-3
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Referencestereoisomer of
Betamethasone 9,11-epoxide
CAS981-34-0
pharmaceutical raw material
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name
(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
InChIKey
GBDXNHBVYAMODG-QDBZYVRYSA-N
SMILES
C[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
Synonyms (22)
- 8DM
- DEXAMETHASONE IMPURITY D (EP IMPURITY)
- Dexamethasone EP Impurity D; Mometasone Furoate EP Impurity L
- Dexamethasone Imp. D (EP); 17,21-Dihydroxy-16alpha-methyl-9beta,11beta-epoxypregna-1,4-diene-3,20-dione; 9beta,11beta-Epoxy-17,21-dihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione; Dexamethasone 9,11-Epoxide; Dexamethasone Impurity D; Mometasone Furoate Impurity L
- MOMETASONE FUROATE IMPURITY L (EP IMPURITY)
- 8DM/16|A-methyl epoxide
- DEXAMETHASONE IMPURITY D
- Dexamethasone 9,11-Epoxide
- MOMETASONE FUROATE IMPURITY L