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1255001

USP

Estrone

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Estrone, 1,3,5(10)-Estratrien-3-ol-17-one, 3-Hydroxy-1,3,5(10)-estratrien-17-one, Folliculin

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About This Item

Empirical Formula (Hill Notation):
C18H22O2
CAS Number:
53-16-7
Molecular Weight:
270.37
Beilstein:
1915077
MDL number:
MFCD00003620
UNSPSC Code:
41116107
PubChem Substance ID:
329749757
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

estrone

manufacturer/tradename

USP

mp

258-260 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

C[C@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]1CCC2=O

InChI

1S/C18H22O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-16,19H,2,4,6-9H2,1H3/t14-,15-,16+,18+/m1/s1

InChI key

DNXHEGUUPJUMQT-CBZIJGRNSA-N

Gene Information

human ... ESR1(2099)

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Related Categories

Application

Estrone USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Conjugated Estrogens
  • Conjugated Estrogens Tablets
  • Esterified Estrogens
  • Esterified Estrogens Tablets
  • Estradiol
  • Estradiol and Norethindrone Acetate Tablets
  • Estradiol Tablets

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

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Product No.
Description
Pricing

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H351,H360FD,H362

Hazard Classifications

Carc. 2 - Lact. - Repr. 1A

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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Robert E Nelson et al.
Clinical chemistry, 50(2), 373-384 (2003-12-06)
Estradiol (E2) and estrone (E1) measurements form an integral part of the assessment of female reproductive function and have expanding roles in other fields. However, many E1 and E2 immunoassays have limited functional sensitivity, suffer from cross-reactivity, and display poor
Fluorometric determination of plasma 11-hydroxycorticosteroids. II. Studies on the specificity of the method.
L E Mejer et al.
Clinical chemistry, 19(7), 718-724 (1973-07-01)
Shanshan Zhao et al.
Breast cancer research : BCR, 16(2), R30-R30 (2014-03-29)
Paradoxically, a breast cancer risk reduction with conjugated equine estrogens (CEE) and a risk elevation with CEE plus medroxyprogesterone acetate (CEE + MPA) were observed in the Women's Health Initiative (WHI) randomized controlled trials. The effects of hormone therapy on serum sex
E Van Caenegem et al.
Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 26(1), 35-47 (2014-11-08)
Although trans women before the start of hormonal therapy have a less bone and muscle mass compared with control men, their bone mass and geometry are preserved during the first 2 years of hormonal therapy, despite of substantial muscle loss, illustrating
Eva Fetter et al.
Aquatic toxicology (Amsterdam, Netherlands), 154, 221-229 (2014-06-14)
Xenoestrogens may persist in the environment by binding to sediments or suspended particulate matter serving as long-term reservoir and source of exposure, particularly for organisms living in or in contact with sediments. In this study, we present for the first
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