α–Estradiol

cas: 57-91-0 — see every product listed under this CAS number, including other names

α–Estradiol (CAS 57-91-0) is a chemical reagent available from Chemat. Available pack sizes: 10mM (in 1ml etoh), 50mg. Offered by: GLPBio.

brandGLPBio
catalog numberGC15975-5.1
cas57-91-0
size10mM (in 1ml etoh)
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Available pack sizes

brand size price
GLPBio 10mM (in 1ml etoh) 578.32 Pln
GLPBio 50mg 709.37 Pln

properties

purityNo data
delivery timeTo be confirmed by Chemat

17alpha-estradiol is an estradiol that is estra-1,3,5(10)-triene substituted by hydroxy groups at positions 3 and 17 (the 17alpha stereoisomer). It has a role as a geroprotector and an estrogen. It is an estradiol, a 17alpha-hydroxy steroid and a 3-hydroxy steroid.

Source: ChEBI

Identity
Molecular formulaC18H24O2
Molecular weight272.4 g/mol
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
InChIKeyVOXZDWNPVJITMN-SFFUCWETSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@H]2O)CCC4=C3C=CC(=C4)O

Computed by PubChem (NCBI)

Synonyms: 17alpha-Estradiol, alpha-Estradiol, Alfatradiol, 17a-estradiol, 17-alpha-Estradiol, Estradiol-17alpha, 3,17-Dihydroxyestratriene, Epiestrol, 17-Epiestradiol, ESTRADIOL, ALPHA-
Related forms of this compound
(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol C18H24O2
(8R,9S,13S,14S,17S)-2,4,16,16-tetradeuterio-13-methyl-7,8,9,11,12,14,15,17-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol C18H24O2
(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol C18H24O2
(8R,9S,13S,14S,17S)-16,16,17-trideuterio-13-methyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-diol C18H24O2
(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol C18H24O2
(8R,9S,13S,14S,17R)-2,4-dideuterio-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol C18H24O2
(8R,9S,13S,14S,17S)-2,4,16,16,17-pentadeuterio-13-methyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-diol C18H24O2
(8R,9S,13S,14S,17S)-16,16-dideuterio-13-methyl-7,8,9,11,12,14,15,17-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol C18H24O2
Isomers (same molecular formula)
[4-(4-propylcyclohexyl)phenyl] prop-2-enoate C18H24O2
(8S,13S,14S,17S)-17-hydroxy-13-methyl-2,6,7,8,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-one C18H24O2
(8S,13S,14S,17S)-17-hydroxy-13-methyl-2,4,6,7,8,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-one C18H24O2
(8R,9R,10S,13S,14S)-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-dione C18H24O2

Also listed as

Estradiol EP Impurity B (Ethinylestradiol EP Impurity L, 17-epi-Estradiol) Chemat Brand CAS 57-91-0
Estradiol Impurity 2(Estradiol EP Impurity B) Hubei YoungXin CAS 57-91-0
Ethinylestradiol Impurity 12（Ethinylestradiol EP Impurity L） Hubei YoungXin CAS 57-91-0
17alpha-Estradiol, >95% (HPLC) TRC CAS 57-91-0
Estra-1,3,5(10)-triene-3,17alpha-diol (17alpha-Estradiol, 17-epi-Estradiol) Mikromol CAS 57-91-0
17-alpha-Estradiol Dr. Ehrenstorfer CAS 57-91-0
17alpha-Estradiol (17-epi-Estradiol, Estra-1,3,5(10)-triene-3,17alpha-diol) LoGiCal CAS 57-91-0
17-alpha-Estradiol 100 µg/mL in Acetonitrile Dr. Ehrenstorfer CAS 57-91-0
17a-Estradiol Biosynth CAS 57-91-0
alpha-Estradiol, >98.0%(GC) TCI CAS 57-91-0
ALPHA-ESTRADIOL VETRANAL Sigma-Aldrich CAS 57-91-0
Alpha-Estradiol, 99.88% MedChemExpress CAS 57-91-0
Alpha-Estradiol (Standard), 99.93% MedChemExpress CAS 57-91-0
17a-Estradiol, min. 95 %, 10 g Roth CAS 57-91-0
17a-Estradiol, min. 95 %, 25 g Roth CAS 57-91-0
17a-Estradiol, min. 95 %, 1 g Roth CAS 57-91-0
17a-Estradiol, min. 95 %, 2 g Roth CAS 57-91-0
17a-Estradiol, min. 95 %, 5 g Roth CAS 57-91-0
alpha-Estradiol HPC Standards CAS 57-91-0
(8R,9S,13S,14S,17R)-13-METHYL-6,7,8,9,11,12,14,15,16,17-DECAHYDROCYCLOPENTA[A]PHENANTHRENE-3,17-DIOL, 95% Fluorochem CAS 57-91-0