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Ethynyl estradiol CAS No. 57-63-6 Basic Information:
Product Name | Ethynyl estradiol |
Synonyms | 19-NORPREGNA-1,3,5(10)-TRIEN-20-YNE-3,17ALPHA-DIOL; |
CAS | 57-63-6 |
MF | C20H24O2 |
MW | 296.4 |
EINECS | 200-342-2 |
Product Categories | Alcohols and Derivatives;Steroids;Acetylenes;Biochemistry;Functionalized Acetylenes; |
Ethynyl estradiol CAS No.57-63-6 Chemical Properties:
Melting point | 182-183 °C(lit.) |
Boiling point | 378°C (rough estimate) |
density | 1.0944 (rough estimate) |
Fp | 9ºC |
solubility | ethanol: 50 mg/mL, clear, slightly yellow |
pka | pKa 10.32 (Uncertain) |
Ethynyl estradiol CAS No.57-63-6 Spec.:
Item |
Specification |
Results |
Appearance |
White to creamy white, odorless, crystalline powder. |
white crystalline powder |
Loss on drying |
≤1.0% |
0.45% |
Residual Solvents |
Acetonne≤0.5% |
0.08% |
Assay |
97.0~102.0% (on the dried basis) |
99.43% |