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1201002

USP

17α-Dihydroequilin

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

17alpha-Dihydroequilin, α-Equilol, Estra-1,3,5(10),7-tetraene-3,17α-diol

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About This Item

Empirical Formula (Hill Notation):
C18H22O2
CAS Number:
Molecular Weight:
270.37
MDL number:
UNSPSC Code:
41116107
NACRES:
NA.24
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grade

pharmaceutical primary standard

API family

equilin

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

−20°C

SMILES string

OC1C2(C(CC1)C3=CCc4c(ccc(c4)O)C3CC2)C

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/h3-5,10,14,16-17,19-20H,2,6-9H2,1H3

InChI key

NLLMJANWPUQQTA-UHFFFAOYSA-N

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

17α-Dihydroequilin 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

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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Warning

hcodes

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable



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Certificates of Analysis (COA)

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B R Bhavnani et al.
The Journal of clinical endocrinology and metabolism, 77(5), 1269-1274 (1993-11-01)
The constant infusion of [3H]equilin sulfate ([3H]EqS) was used to estimate the MCR of equilin sulfate (EqS) and to measure the conversion of this estrogen to equilin (Eq), equilenin (Eqn), equilenin sulfate (EqnS), 17 beta-dihydroequilin (17 beta-Eq), 17 beta-dihydroequilin sulfate
B R Bhavnani et al.
Journal of the Society for Gynecologic Investigation, 7(3), 175-183 (2000-06-24)
To compare the pharmacokinetics and relative bioavailabilities of key estrogen components of Premarin (Wyeth-Ayerst, Canada) with those of a generic conjugated estrogen preparation, C.E.S. (synthetic mixture of estrogens; ICN, Montreal, Canada) in healthy postmenopausal women. We conducted a randomized, single-dose
J G Wilcox et al.
Fertility and sterility, 66(5), 748-752 (1996-11-01)
To determine the independent biologic effects of 17 alpha-dihydroequilin sulfate. Prospective randomized study. University of Southern California Medical Center. Twenty-one postmenopausal women, mean age 50 +/- 2 (+/-SEM) years, and mean body mass index 27 +/- 2. Women were randomized



Global Trade Item Number

SKUGTIN
1201002-25MG04065272480031
1201002-50MG04061833019962

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