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Key Documents

1019701

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

11 - Combustible Solids

wgk_germany

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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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
Matthias Schoenberger et al.
Expert opinion on therapeutic patents, 23(10), 1383-1389 (2013-08-21)
Novel molecular platforms for epithelial sodium channel (ENaC) modulators are claimed in the following six patents: WO2012035158(A1); WO2009074575(A2); WO2011028740(A1); WO2009150137(A2); WO2011079087(A1); WO2008135557(A1). These ENaC inhibitors may be used in blocking transepithelial sodium and consequently water absorption across airway epithelia. This
Robert W Hunter et al.
American journal of physiology. Renal physiology, 306(4), F457-F467 (2014-01-10)
Na(+) reabsorption from the distal renal tubule involves electroneutral and electrogenic pathways, with the latter promoting K(+) excretion. The relative activities of these two pathways are tightly controlled, participating in the minute-to-minute regulation of systemic K(+) balance. The pathways are
Yusuke Ito et al.
American journal of physiology. Regulatory, integrative and comparative physiology, 306(5), R315-R327 (2014-01-10)
Zebrafish Na(+)/H(+) exchanger 3b (zNHE3b) is highly expressed in the apical membrane of ionocytes where Na(+) is absorbed from ion-poor fresh water against a concentration gradient. Much in vivo data indicated that zNHE3b is involved in Na(+) absorption but not
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