Impurities
AY-0073-004
Estradiol Hemihydrate EP Impurity D
C18H22O2
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Impurity reference standard material
Estradiol Hemihydrate EP Impurity B
Material overview
Estradiol Hemihydrate EP Impurity B (AY-0073-003) — impurity reference standard material. CAS 57-91-0, formula C18H24O2, molecular weight 272.38 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0073-003
- CAS number
- 57-91-0
- Molecular formula
- C18H24O2
- Molecular weight
- 272.38 g/mol
- Category
- Impurity reference standard material
- Chemical name
- (17alpha)-Estra-1,3,5(10)-triene-3,17-diol
- Synonyms
- 17-Epiestradiol;17 Alpha -Estradiol; 3,5(10)-Estratriene-3,17-diol; 3,17alpha-Dihydroxy-1,3,5(10)-estratriene
- SMILES
- C[C@@]12[C@H](O)CC[C@@]1([H])[C@]3([H])CCC4=C(C=CC(O)=C4)[C@@]3([H])CC2
- Appearance
- White Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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