Subcategory & Sub-subcategory
Product Name
ETHINYL ESTRADIOL
Specifications
- CAS Number: 57-63-6
- EC Number: 200-342-2
- Molecular Weight: 296.4
- Chemical Formula: C20H24O2
- IUPAC Name: (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
- Assay: Meets pharmacopeial assay specification (typically ≥98.0% on an anhydrous basis), confirmed by validated HPLC/titration analytical methods.
- Purity: Pharmaceutical-grade purity complying with the applicable pharmacopoeial monograph (USP/EP/BP/ChP as applicable) for this active substance.
- Impurity Profile: Individual and total related-substance impurities are controlled within ICH Q3A/Q3B limits and the relevant pharmacopoeial monograph.
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