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Merck

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

Key Documents

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Product Name

Estriol, meets USP testing specifications

InChI key

PROQIPRRNZUXQM-ZXXIGWHRSA-N

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

SMILES string

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

agency

USP/NF
meets USP testing specifications

mp

280-282 °C (lit.)

Quality Level

200

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

wgk

WGK 3

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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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
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
Marcelo O Dietrich et al.
Trends in neurosciences, 36(2), 65-73 (2013-01-16)
The past 20 years witnessed an enormous leap in understanding of the central regulation of whole-body energy metabolism. Genetic tools have enabled identification of the region-specific expression of peripheral metabolic hormone receptors and have identified neuronal circuits that mediate the
G P Vooijs et al.
European journal of obstetrics, gynecology, and reproductive biology, 62(1), 101-106 (1995-09-01)
To gain more insight into whether intravaginal treatment of local urogenital complaints with the mild-acting oestrogen estriol is capable of inducing proliferation of the endometrium, the results of the clinical studies that have been published over the years have been
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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