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Merck
CN

E3750

17-Epiestriol

Synonym(s):

1,3,5(10)-Estratriene-3,16α,17α-triol, 16α-Hydroxy-17α-estradiol, 3,16α,17α-Trihydroxy-1,3,5(10)-estratriene

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About This Item

Empirical Formula (Hill Notation):
C18H24O3
CAS Number:
1228-72-4
Molecular Weight:
288.38
NACRES:
NA.77
PubChem Substance ID:
24894525
UNSPSC Code:
12352200
MDL number:
MFCD00069500
Form:
powder
Assay:
≥98.00% (TLC)

Key Documents

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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

CC12CCC3C(CCc4cc(O)ccc34)C1C[C@@H](O)[C@H]2O

InChI key

PROQIPRRNZUXQM-CKMBUZLOSA-N

sterility

non-sterile

assay

≥98.00% (TLC)

form

powder

technique(s)

inhibition assay: suitable

color

off-white to yellow

solubility

chloroform: methanol (1:1): 9.80-10.20 mg/mL, clear, colorless to faintly yellow

shipped in

ambient

storage temp.

room temp

Quality Level

200

Biochem/physiol Actions

17-epiestriol is an estradiol metabolite and a selective estrogen receptor (ER) beta agonist.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
038M4016V
13160105
126M4165V
075M4078V
086M4102V

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Carien van der Berg et al.
Analytical biochemistry, 590, 113531-113531 (2019-12-06)
An imbalance in the estrogen metabolism has been associated with an increased risk of breast cancer development. Evaluation of the estrogen biotransformation capacity requires monitoring of various estrogen metabolites. Up to now, only some estrogen metabolites could be measured in
Mitsuhiro Ueda et al.
Enzyme and microbial technology, 51(6-7), 402-407 (2012-10-09)
A protein with strong removal activity against the natural estrogen estriol was purified from a culture supernatant of Pleurotus eryngii var. tuoliensis C.J. Mou. The protein was characterized as a laccase and had a molecular mass of 60kDa on SDS-PAGE.
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
Swastika Surujlal-Naicker et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 48(1), 37-47 (2012-10-04)
Wastewater effluents have been documented as major contributors of hormone endocrine disrupting compounds (EDCs) in to the aquatic ecosystem. The need for rapid, simple and cost effective methods to detect these EDCs has increased. The use of Radio-immunoassays (RIA) were
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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