Impurities
AY-0073-004
Estradiol Hemihydrate EP Impurity D
C18H22O2
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Impurity reference standard material
Estradiol Hemihydrate EP Impurity A
Material overview
Estradiol Hemihydrate EP Impurity A (AY-0073-002) — impurity reference standard material. CAS 53-16-7, formula C18H22O2, molecular weight 270.37 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0073-002
- CAS number
- 53-16-7
- Molecular formula
- C18H22O2
- Molecular weight
- 270.37 g/mol
- Category
- Impurity reference standard material
- Chemical name
- 3-Hydroxyestra-1,3,5(10)-trien-17-one
- Synonyms
- Ethinyl Estradiol EP Impurity C; 1,3,5(10)-Estratrien-3-ol-17-one; 3-Hydroxy-17-keto-estra-1,3,5-triene
- SMILES
- OC1=CC=C2C(CC[C@]3([H])[C@]2([H])CC[C@@]4(C)[C@@]3([H])CCC4=O)=C1
- Appearance
- White to Off-White Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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