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Safety Information

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
form:
powder
Assay:
≥98.00% (TLC)

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

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
Hanna Hamid et al.
Water research, 46(18), 5813-5833 (2012-09-04)
Estrogenic hormones (estrone (E1), 17β-estradiol (E2), estriol (E3), 17α-ethinylestradiol (EE2)) are the major contributor to the total estrogenicity in waterways. Presence of these compounds in biosolids is also causing concern in terms of their use as soil amendment. In comparison
James P Neilson
The Cochrane database of systematic reviews, 8(8), CD000108-CD000108 (2012-08-17)
Biochemical tests of placental or feto-placental function were widely used in the 1960s and 1970s in high-risk pregnancies to try to predict, and thus try to avoid, adverse fetal outcome. To assess the effects of performing biochemical tests of placental
Maya Frank et al.
Prenatal diagnosis, 33(2), 191-195 (2013-01-08)
To compare the profile of mid gestation triple test serum markers between a cohort of women with history of pregnancy complications with hereditary versus acquired thrombophilia. All were treated with low molecular weight heparin (LMWH) prior to 12 weeks' gestation.
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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