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E3625

Sigma-Aldrich

16-Epiestriol

≥93% (HPLC)

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C18H24O3
CAS Number:
547-81-9
Molecular Weight:
288.38
EC Number:
208-937-9
MDL number:
MFCD00067609
UNSPSC Code:
12352200
PubChem Substance ID:
24894522
NACRES:
NA.77

Quality Level

200

assay

≥93% (HPLC)

form

powder

solubility

ethanol: 0.98-1.02 mg/mL, clear, colorless to faintly yellow

shipped in

ambient

storage temp.

room temp

SMILES string

CC12CCC3C(CCc4cc(O)ccc34)C1CC(O)C2O

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

InChI key

PROQIPRRNZUXQM-UHFFFAOYSA-N

Biochem/physiol Actions

16-Epiestriol is found naturally in various animals, plants, and fungal yeast. It potentially inhibits the growth of colistins and carbapenem-resistant A. baumannii
16-Epiestriol, an estradiol metabolite, possesses anti-inflammatory properties but no glycogenic properties.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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Xia Xu et al.
Genome medicine, 4(4), 31-31 (2012-05-02)
Endogenous estrogens and estrogen metabolites play an important role in the pathogenesis and development of human breast, endometrial, and ovarian cancers. Increasing evidence also supports their involvement in the development of certain lung, colon and prostate cancers. In this study
Roni T Falk et al.
Breast cancer research : BCR, 15(2), R34-R34 (2013-04-24)
Elevated levels of circulating estrogens are linked to breast cancer risk among postmenopausal women but little is known about the importance of estrogen metabolism. A recently developed liquid chromatography tandem mass spectrometry-based method (LC-MS/MS) measuring a panel of 15 estrogen
Cher M Dallal et al.
Medicine and science in sports and exercise, 48(3), 439-448 (2015-10-16)
Physical activity may reduce endogenous estrogens, but few studies have assessed effects on estrogen metabolism and none have evaluated sedentary behavior in relation to estrogen metabolism. We assessed relationships between accelerometer-measured physical activity and sedentary behavior and 15 urinary estrogens
Sally B Coburn et al.
Cancer causes & control : CCC, 30(1), 75-86 (2018-12-07)
The comparability between serum, plasma, and urinary measurements of estrogen metabolites via liquid chromatography-tandem mass spectrometry (LC-MS/MS) has not been largely explored, and it is unclear if urinary LC-MS/MS measurements are suitable surrogates of circulating levels. Serum, plasma (EDTA and
Jodie M Fleming et al.
BMC medicine, 8, 27-27 (2010-05-25)
Breast cancer studies frequently focus on the role of the tumor microenvironment in the promotion of cancer; however, the influence of the normal breast microenvironment on cancer cells remains relatively unknown. To investigate the role of the normal breast microenvironment
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