CAS No. 50-27-1

Description	White Or Practically White Crystalline Powder
Identification	Infrared Absorption Spectrophotometry Should conform with CRS
Clarity of solution	The Solution Is Clear And Free From Undissolved Solid
Specific Rotation	+54.0°~ +62.0°
Loss On Drying	≤ 0.5%
Residue on ignition	≤ 0.1%
Relative Materials	(Total impurities)	≤ 2.0%
Fineness	10um( 100% Pass )
Assay	97.0%~102.0%

Molecular Formula: C18H24O3
Molecular Weight: 288.38


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EINECS:200-022-2
Molecular formula:C18H24O3

Description:
Estriol 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.

• Molecular Weight: 288.387
• Molecular Formula: C18H24O3

Purity: 0.98

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

InChIKey: PROQIPRRNZUXQM-ZXXIGWHRSA-N

• Boiling Point: 469.0±45.0 °C at 760 mmHg
• Melting Point: 282 °C
• Solubility: Water: 27.34 mg/L
• Appearance: White crystalline powder
• Storage: -20°C Freezer

Synonyms:
16α-hydroxy-17β-estradiol; 1,3,5(10)-Estratriene-3,16α, 17β-triol; E3; Oestriol; Ovestin; Estratriol; Ovestrion

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