Chemical Compound

Betamethasone Impurity 142

CAS Registry Number 912-38-9
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Betamethasone Impurity 142 chemical structure
Primary Record

Betamethasone Impurity 142

In stock
2,680 g
Purity
98.7 %
CAS
912-38-9

Compound Identifiers & Properties

CAS
912-38-9
PubChem CID
71316371
SMILES
C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4(C35C(O5)C[C@@]2([C@]1(C(=O)COC(=O)C)O)C)C
Canonical SMILES
CC(=O)OCC(=O)[C@@]1(O)[C@@H](C)C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)C34OC4C[C@@]21C

Names & Synonyms

  • Betamethasone Impurity 142
  • 9|A,11|A-Epoxy-17,21-dihydroxy-16|A-methylpregna-1,4-diene-3,20-dione 21-Acetate
  • (9|A,11|A,16|A)-21-(Acetyloxy)-9,11-epoxy-17-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione
  • 2-((4aS,6aS,7R,8S,9aS,9bS)-7-hydroxy-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl acetate
  • 912-38-9