Estriol-2,3,4-[13C3]

General Information
Catalog: BLP-000534
CAS: 1255639-56-5
Molecular Formula: C15[13C]3H24O3
Molecular Weight: 291.36
Related CAS: 50-27-1 (unlabelled)
Description Estriol-2,3,4-[13C3] is the labelled analogue of Estriol, which is a metabolite of 17β-estradiol with much lower biological activity. It is the primary estrogen found in the urine. Large quantities of estriol and estrone are produced by the placenta during pregnancy. These are also the primary estrogens produced by adipose tissue in men and in post-menopausal women.
Synonyms 16-α-Hydroxyestradiol-2,3,4-13C3; Estriol-2,3,4-13C3; DTXSID60746437; (16alpha,17beta)-(2,3,4-13C3)Estra-1,3,5(10)-triene-3,16,17-triol
IUPAC Name (8R,9S,13S,14S,16R,17R)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[i]phenanthrene-3,16,17-triol-2,3,4-13C3
Canonical SMILES CC12CCC3C(C1CC(C2O)O)CCC4=C3C=CC(=C4)O
InChI InChI=1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17+,18+/m1/s1/i3+1,8+1,11+1
InChI Key PROQIPRRNZUXQM-FDFADMNFSA-N
Melting Point 280-282 °C
Purity 97% (CP); 99% atom 13C
Storage −20 °C

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