Impurities
AY-0091-005
Betamethasone Dipropionate EP Impurity C
C25H33FO6
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Active ingredient reference standard
Betamethasone
Material overview
Betamethasone (AY-0091-001) — active ingredient reference standard. CAS 378-44-9, formula C22H29FO5, molecular weight 392.46 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0091-001
- CAS number
- 378-44-9
- Molecular formula
- C22H29FO5
- Molecular weight
- 392.46 g/mol
- Category
- Active ingredient reference standard
- Chemical name
- 9-fluoro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione
- Synonyms
- Betamethasone Acetate Impurity A; Betamethasone Dipropionate Impurity A; Betamethasone Valerate Impurity A; Dexamethasone Impurity B
- SMILES
- O=C1C=C[C@]2(C)[C@@]3(F)[C@@H](O)C[C@]4(C)[C@](C(CO)=O)(O)[C@@H](C)C[C@@]4([H])[C@]3([H])CCC2=C1
- Appearance
- White to Off-White Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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