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E1149

Estriol

meets USP testing specifications

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:
12352212
NACRES:
NA.21
PubChem Substance ID:
24894391
EC Number:
200-022-2
Beilstein/REAXYS Number:
2508172
MDL number:
MFCD00003691
Quality level:
200
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Quality Level

200

agency

USP/NF, meets USP testing specifications

mp

280-282 °C (lit.)

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

Gene Information

human ... SERPINA6(866)
mouse ... Esr1(13982)
rat ... Ar(24208)

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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

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
0000501451
0000501451
0000341176
0000337796
0000341176

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E Diczfalusy
Journal of steroid biochemistry, 20(4B), 945-953 (1984-04-01)
The early history of estriol is reviewed with special emphasis on its isolation, identification, quantitation in tissues and body fluids and its unique biogenesis in the human feto-placental unit. The relationship to epimeric estriols and acidic estrogens and the pharmacokinetic
J J Evans et al.
Clinical chemistry, 30(1), 120-121 (1984-01-01)
Saliva would have advantages over plasma or urine for monitoring estriol during pregnancy. Specimen collection, after stimulation of flow by citric acid, is non-invasive and simple. We measured concentrations of unconjugated estriol in saliva and compared them with those in
Nina Sneitz et al.
Drug metabolism and disposition: the biological fate of chemicals, 41(3), 582-591 (2013-01-05)
The glucuronidation of estriol, 16-epiestriol, and 17-epiestriol by the human UDP-glucuronosyltransferases (UGTs) of subfamilies 1A, 2A, and 2B was examined. UGT1A10 is highly active in the conjugation of the 3-OH in all these estriols, whereas UGT2B7 is the most active
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