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USP

Losartan potassium

United States Pharmacopeia (USP) Reference Standard

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Synonym(s):
2-Butyl-4-chloro-1-{[2′-(1H-tetrazol-5-yl)(1,1′-biphenyl)-4-yl]methyl}-1H-imidazole-5-methanol monopotassium salt, 2-butyl-4-chloro-1-[[2′-(2H-tetrazol-5-yl)[1,1′-biphenyl]-4-yl]methyl]- 1H-Imidazole-5-methanol potassium salt, DuP 753, MK 954, Potassium 5-(4′-((2-butyl-4-chloro-5-(hydroxymethyl)-1H-imidazol-1-yl)methyl)-[1,1′-biphenyl]-2-yl)tetrazol-1-ide
Empirical Formula (Hill Notation):
C22H22ClKN6O
CAS Number:
Molecular Weight:
461.00
Beilstein:
5845770
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

losartan

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

CCCCc1nc(Cl)c(CO)n1Cc2ccc(cc2)-c3ccccc3-c4nnnn4[K]

InChI

1S/C22H22ClN6O.K/c1-2-3-8-20-24-21(23)19(14-30)29(20)13-15-9-11-16(12-10-15)17-6-4-5-7-18(17)22-25-27-28-26-22;/h4-7,9-12,30H,2-3,8,13-14H2,1H3;/q-1;+1

InChI key

OXCMYAYHXIHQOA-UHFFFAOYSA-N

Gene Information

human ... AGTR1(185)

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General description

Losartan potassium is a new drug used for hypertension. It is nonpeptide angiotensin II (AII) receptor antagonist.
Losartan potassium is nonpeptide angiotensin II (AII) receptor antagonist and is orally active. It belongs to a new class of drugs introduced for clinical trials to treat hypertension.

Application

Losartan potassium was used as reference standard for determination of Losartan and metabolite in rat urine samples using HPLC coupled with fluorescence detector.

Biochem/physiol Actions

Losartan potassium is an orally available, potent, and selective competitive angiotensin II receptor type 1 (AT1) antagonist. Losartan potassium is used for treatment of hypertension.

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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D M Dorfman et al.
The Journal of biological chemistry, 267(2), 1279-1285 (1992-01-15)
Previously, we showed that the promoter of the gene encoding preproendothelin-1 (PPET-1) contains a GATA motif that is essential for activity and interacts with a nuclear factor similar in size and binding specificity to the erythroid transcription factor GATA-1. To
Quantification of losartan and its metabolite in rat urine
Prolina, OG, et al.
Bulletin of Moscow University, 53.3, 194-197 (2012)
Jill Wylie-Sears et al.
Biochemical and biophysical research communications, 446(4), 870-875 (2014-03-19)
Adult cardiac valve endothelial cells (VEC) undergo endothelial to mesenchymal transformation (EndMT) in response to transforming growth factor-β (TGFβ). EndMT has been proposed as a mechanism to replenish interstitial cells that reside within the leaflets and further, as an adaptive
Angiotensin II mobilizes intracellular calcium and activates pannexin-1 channels in rat carotid body type II cells via AT1 receptors.
Sindhubarathi Murali et al.
The Journal of physiology, 592(21), 4747-4762 (2014-08-31)
M Burnier et al.
Journal of hypertension. Supplement : official journal of the International Society of Hypertension, 13(1), S23-S28 (1995-07-01)
The evaluation of a new drug in normotensive volunteers provides important pharmacodynamic and pharmacokinetic information as long as the compound has a specific mechanism of action which can be evaluated in healthy subjects as well as in patients. The purpose

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