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Application Area
Environmental
Environmental

Stable isotope-labeled compounds are used as environmental pollutant standards for the detection of air, water, soil, sediment and food.

Clinical diagnostic
Clinical diagnostic

In addition to treating various diseases, isotopes are used for imaging, diagnosis, and newborn screening.

Organic Chemistry
Organic Chemistry

Small molecule compounds labeled with stable isotopes can be used as chemical reference for chemical identification, qualitative, quantitative, detection, etc. Various types of NMR solvents can be used to study the structure, reaction mechanism and reaction kinetics of compounds.

Metabolic Research
Metabolic Research

Stable isotope labeling allows researchers to study metabolic pathways in vivo in a safe manner.

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

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General Information
Catalog: BLP-000534
CAS: 1255639-56-5
Molecular Formula: C15[13C]3H24O3
Molecular Weight: 291.36
Chemical Structure
Estriol-2,3,4-[13C3]
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
Related CAS 50-27-1 (unlabelled)
Isomeric SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H]([C@@H]2O)O)CCC4=C3C=[13CH][13C](=[13CH]4)O
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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