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17α-Ethynylestradiol

17α-Ethynylestradiol / CAS : 57-63-6

Appearance Grayish white to light yellow crystalline powder UN -
HS 29372390 DG Class -
Synonyms Ethynylestradiol; 17Alpha-Ethynylestradiol; Lynoral; 19-Norpregna-1,3,5(10)-Trien-20-Yne-3,17-Diol, (17α)-; Ethinyl Estradiol; Anovlar; Ertonyl; Diprol; Esteed; Ethynyl Estradiol; Estoral; Eed; Etivex; Estinyl; Estigyn
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Properties

Summary

Formula
C20H24O2
Molecular Mass
296.40300
Exact Mass
296.17800
PSA
40.46000
Logp
3.61260
IUPAC
(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
SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3C=CC(=C4)O

Attribute classification

Matter Classification
organic
Category
Auxiliary > Other Auxiliary Agent
API & Intermediate > Hormones And Endocrine Drugs

Chemical and Physical Properties

Melting Point
182-183 °C
Density
1.21g/cm3
Boiling Point
457.2ºC
Flash Point
211.2ºC
Appearance
Grayish white to light yellow crystalline powder
Acidity and Basicity
neutral

Export information

HS Code
29372390
Export Rebate
13%
Risk Code
R45-22-39/23/24/25-23/24/25-11
Safety Label
T,F

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