CAS 57-91-0 Estra-1,3,5(10)-triene-3,17alpha-diol (17alpha-Estradiol; 17-epi-Estradiol)

CAT	APS57910B
CAS	57-91-0
Structure
Synonyms	Ethinylestradiol Imp. L (EP), Estra-1,3,5(10)-triene-3,17alpha-diol, Ethinylestradiol Imp. D (EP), Estradiol Imp. B (EP), Estradiol Hemihydrate Imp. B (EP),17alpha-Estradiol, 17-epi-Estradiol
IUPAC Name	(8R,9S,13S,14S,17R)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular Weight	272.38
Molecular Formula	C18H24O2
Canonical SMILES	C[C@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]1CC[C@H]2O
InChI	InChI=1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17-,18+/m1/s1

Accurate Mass	272.1776
API Family	Matrix - API Family Estriol; Estradiol Hemihydrate; Ethinylestradiol
Format	Neat
Product Type	Impurity
Shipping	Room Temperature
Storage Conditions	+5°C
Subcategory	Impurity standards, Mikromol, Hormones

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