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USP

Chlorthalidone

United States Pharmacopeia (USP) Reference Standard

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About This Item

Empirical Formula (Hill Notation):
C14H11ClN2O4S
CAS Number:
77-36-1
Molecular Weight:
338.77
MDL number:
MFCD00036257
UNSPSC Code:
41116107
PubChem Substance ID:
329749353
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

chlorthalidone

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

NS(=O)(=O)c1cc(ccc1Cl)C2(O)NC(=O)c3ccccc23

InChI

1S/C14H11ClN2O4S/c15-11-6-5-8(7-12(11)22(16,20)21)14(19)10-4-2-1-3-9(10)13(18)17-14/h1-7,19H,(H,17,18)(H2,16,20,21)

InChI key

JIVPVXMEBJLZRO-UHFFFAOYSA-N

Gene Information

human ... SLC12A3(6559)

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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

Chlorthalidone 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:
  • Chlorthalidone Tablets
  • Atenolol and Chlorthalidone Tablets
  • Clonidine Hydrochloride and Chlorthalidone 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.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

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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Jerrica E Shuster et al.
Vascular health and risk management, 8, 381-387 (2012-06-30)
Azilsartan-chlorthalidone fixed combination is a new drug in the management of hypertension. Azilsartan has been shown to have greater blood pressure-lowering effects than other angiotensin-receptor blockers (ARBs), and the debate regarding the superiority of chlorthalidone over hydrochlorothiazide has been ongoing
[Importance of the continuity of anti-hypertension treatment in prevention of ischemic cardiovascular diseases: preliminary note. Controlled study of hypertensive patients treated with amiloride associated with hydrochlorothiazide and chlorthalidone].
C de Pasquale et al.
Minerva medica, 69(31), 2115-2123 (1978-06-23)
David S Kountz et al.
Postgraduate medicine, 124(1), 60-66 (2012-02-09)
Chlorthalidone's safety and efficacy in the management of hypertension has been demonstrated in landmark trials. Despite understanding the effects of thiazides on urinary sodium excretion and intravascular volume, the exact mechanism of their antihypertensive effects is not clearly understood. Common
Edarbyclor: an ARB/chlorthalidone combination for hypertension.
The Medical letter on drugs and therapeutics, 54(1385), 17-18 (2012-03-03)
Sandra J Taler
Current hypertension reports, 10(4), 293-297 (2008-07-16)
For decades, diuretic therapy has been a cornerstone in treating hypertension, an approach supported by multiple randomized controlled trials demonstrating reduced morbidity and mortality from cardiovascular events. Yet controversy persists regarding the potential detrimental metabolic effects and side effects of
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