English synonyms: E3; ESTRIOL; ESTRA-1,3,5(10)-TRIENE-3,16,17-TRIOL;ESTRA-1,3,5(10)-TRIENE-3,16ALPHA,17BETA-TRIOL;TRIDESTRIN ;ESTRIOL(P);Estriol,1,3,5(10)-EstratriChemicalbookene-3,16α,17β-triol,16α-Hydroxyestradiol,3,16α,17β-Trihydroxy-1,3,5(10)-estratriene; Estriol (100mg)
CAS Number: 50-27-1
Molecular formula: C18H24O3
Molecular weight: 288.38
EINECS No.: 200-022-2
Certification of Analysis
Melting point 280-282°C(lit.)
Specific rotation D25+58°±5°(0.04gin1mldioxane)
Boiling point 370.61°C (roughestimate)
Density 1.27
Refractive index 58°(C=0.4, Dioxane)
Flash point 9°C Storage conditions 2-8°C
SolubilityPracticallyinsolubleinwater,sparinglysolubleinethanol(96pChemicalbookercent).
Morphological neat
Acidity coefficient (pKa) pKa10.38±0.02(H2Ot=23±2Iunspeci?ed)(Uncertain)
Water solubility 3.2mg/L (25ºC) Merck3707
BRN2508172
InChIKeyPROQIPRRNZUXQM-ZXXIGWHRSA-N
CAS database 50-27-1 (CASDataBaseReference)
Japan
