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USP

Amiloride hydrochloride

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Amiloride hydrochloride dihydrate, N-Amidino-3,5-diamino-6-chloropyrazinecarboxamide hydrochloride dihydrate

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About This Item

Empirical Formula (Hill Notation):
C6H8ClN7O · HCl · 2H2O
CAS Number:
17440-83-4
Molecular Weight:
302.12
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

amiloride

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

InChI

1S/C6H8ClN7O.ClH.2H2O/c7-2-4(9)13-3(8)1(12-2)5(15)14-6(10)11;;;/h(H4,8,9,13)(H4,10,11,14,15);1H;2*1H2

InChI key

LTKVFMLMEYCWMK-UHFFFAOYSA-N

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General description

Amiloride hydrochloride is a photosensitive yellow powder used as a mild diuretic drug.

Application

Amiloride hydrochloride 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:
  • Amiloride Hydrochloride and Hydrochlorothiazide Tablets
  • Amiloride Hydrochloride 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.

Storage Class Code

11 - Combustible Solids

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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Mónica C F Ferraro et al.
Journal of pharmaceutical and biomedical analysis, 30(4), 1121-1131 (2002-11-01)
The use of multivariate spectrophotometric calibration for the simultaneous analysis of synthetic samples and commercial tablet preparations containing hydrochlorothiazide (HCT) and amiloride hydrochloride (AMH) is reported. Partial least squares (PLS-1) analysis of electronic absorption spectral data allowed the rapid and
Anne P Sinke et al.
American journal of physiology. Renal physiology, 306(5), F525-F533 (2013-12-20)
Lithium is the most common cause of nephrogenic diabetes insipidus (Li-NDI). Hydrochlorothiazide (HCTZ) combined with amiloride is the mainstay treatment in Li-NDI. The paradoxical antidiuretic action of HCTZ in Li-NDI is generally attributed to increased sodium and water uptake in
Shujie Shi et al.
American journal of physiology. Renal physiology, 305(11), F1585-F1592 (2013-10-11)
The epithelial sodium channel (ENaC) is comprised of three homologous subunits. Channels composed solely of α- and β-subunits (αβ-channels) exhibit a very high open probability (Po) and reduced sensitivity to amiloride, in contrast to channels composed of α- and γ-subunits
Juraj Rievaj et al.
American journal of physiology. Gastrointestinal and liver physiology, 305(4), G303-G313 (2013-06-15)
Intestinal calcium (Ca²⁺) absorption occurs via paracellular and transcellular pathways. Although the transcellular route has been extensively studied, mechanisms mediating paracellular absorption are largely unexplored. Unlike passive diffusion, secondarily active paracellular Ca²⁺ uptake occurs against an electrochemical gradient with water
Hong Wang et al.
Hypertension (Dallas, Tex. : 1979), 62(4), 738-745 (2013-08-21)
In Dahl salt-sensitive rats (Dahl SS), glomerular capillary pressure increases in response to high salt intake and this is accompanied by significant glomerular injury compared with spontaneously hypertensive rats with similar blood pressure. Glomerular capillary pressure is controlled mainly by
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