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1254508

USP

Estriol

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

1,3,5(10)-Estratriene-3,16α,17β-triol, 16α-Hydroxyestradiol, 3,16α,17β-Trihydroxy-1,3,5(10)-estratriene

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About This Item

Empirical Formula (Hill Notation):
C18H24O3
CAS Number:
50-27-1
Molecular Weight:
288.38
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329749756
MDL number:
MFCD00003691
Beilstein/REAXYS Number:
2508172
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grade

pharmaceutical primary standard

API family

estriol

manufacturer/tradename

USP

mp

280-282 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

C[C@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]1C[C@@H](O)[C@@H]2O

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

InChI key

PROQIPRRNZUXQM-ZXXIGWHRSA-N

General description

Estriol is found to be a major estrogen in pregnant women. It originates in the placenta from the estrogen precursors, made by the fetal adrenal gland and liver. Estriol levels are directly related to the delivery of the fetus and serve as an index of the fetal well-being.

Application

Estriol USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Estriol Compounded Vaginal Cream

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

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pictograms

Health hazard
GHS08

signalword

Danger

Hazard Classifications

Carc. 2 - Lact. - Repr. 1A

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Regulatory Information

涉药品监管产品

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Determination of 17 $\beta$-estradiol in pharmaceutical preparation by UV spectrophotometry and high performance liquid chromatography methods
Yilmaz B and Kadioglu Y
Arabian Journal of Chemistry, 10(3), S1422-S1428 (2017)

Global Trade Item Number

SKUGTIN
1254508-100MG04061838723581