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E3750

Sigma-Aldrich

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
MDL number:
MFCD00069500
UNSPSC Code:
12352200
PubChem Substance ID:
24894525
NACRES:
NA.77

sterility

non-sterile

Quality Level

200

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

SMILES string

CC12CCC3C(CCc4cc(O)ccc34)C1C[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-CKMBUZLOSA-N

Biochem/physiol Actions

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
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
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.
Tasneem Siyam et al.
Maturitas, 74(2), 196-202 (2012-12-26)
The aim of this study was to assess pharmacists' beliefs about bioidentical hormone therapy (BHT) and to identify factors influencing these beliefs. This was a cross-sectional survey of pharmacists. An email invitation to participate in the online survey was sent
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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