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Merck

PHR1602

Supelco

Losartan Potassium

Pharmaceutical Secondary Standard; Certified Reference Material

Sinónimos:

2-Butyl-4-chloro-1-{[2′-(1H-tetrazol-5-yl)(1,1′-biphenyl)-4-yl]methyl}-1H-imidazole-5-methanol monopotassium salt

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About This Item

Fórmula empírica (notación de Hill):
C22H22ClKN6O
Número de CAS:
Peso molecular:
461.00
Beilstein/REAXYS Number:
5845770
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

certified reference material
pharmaceutical secondary standard

Quality Level

agency

traceable to BP 867
traceable to Ph. Eur. Y0001062
traceable to USP 1370462

API family

losartan

CofA

current certificate can be downloaded

packaging

pkg of 1 g

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-30°C

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

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Losartan Potassium is a novel class of orally active, non-peptide angiotensin II (type AT1) receptor antagonist drug that can be used in the remedy of hypertension. It exhibits superior activity than many other peptide receptor antagonist drugs and angiotensin converting enzyme (ACE) inhibitors owing to the high specificity, selectivity, and tolerability.

Application

Losartan Potassium may be used as a pharmaceutical reference standard for the determination of the analyte in pharmaceutical formulations by various chromatography techniques and spectrophotometric technique.
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

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 secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAC0141 in the slot below. This is an example certificate only and may not be the lot that you receive.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Certificados de análisis (COA)

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Validated RP-HPLC method for simultaneous quantitation of losartan potassium and metolazone in bulk drug and formulation.
Dubey R, et al.
Scientia Pharmaceutica, 79(3), 545-554 (2011)
Spectrophotometric and HPLC methods for simultaneous estimation of amlodipine besilate, losartan potassium and hydrochlorothiazide in tablets.
Wankhede SB, et al.
Indian Journal of Pharmaceutical Sciences, 72(1), 136-136 (2010)
Development and validation of a stability-indicating HPLC method for the simultaneous determination of Losartan potassium, hydrochlorothiazide, and their degradation products.
Hertzog DL, et al.
Journal of Pharmaceutical and Biomedical Analysis, 30(3), 747-760 (2002)
H Salmenkari et al.
Journal of physiology and pharmacology : an official journal of the Polish Physiological Society, 69(4) (2018-11-12)
The renin-angiotensin system (RAS) in the intestine is involved in the regulation of inflammation, apoptosis and tissue fibrosis in experimental models of colitis; the inhibition of local RAS by pharmacologic interventions has been claimed to prevent and alleviate colitis. In
Anna D Manis et al.
Clinical science (London, England : 1979), 133(24), 2449-2461 (2019-12-05)
Kir5.1 (encoded by the Kcnj16 gene) is an inwardly rectifying K+ (Kir) channel highly expressed in the aldosterone-sensitive distal nephron of the kidney, where it forms a functional channel with Kir4.1. Kir4.1/Kir5.1 channels are responsible for setting the transepithelial voltage

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