Skip to Content
Merck
All Photos(1)

Key Documents

1130006

USP

Chlorthalidone

United States Pharmacopeia (USP) Reference Standard

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C14H11ClN2O4S
CAS Number:
Molecular Weight:
338.77
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
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)

Looking for similar products? Visit Product Comparison Guide

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.

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

Signal Word

Warning

Hazard Statements

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

George C Roush et al.
Current hypertension reports, 15(5), 514-521 (2013-07-11)
How chlorthalidone (CTDN) reduces risk for cardiovascular events (CVEs) can be considered in light of its ability to lower blood pressure (BP) and its non-BP related, pleiotropic effects. The mechanism by which CTDN lowers BP is unclear but may include
Kimberly M Neff et al.
Cardiology in review, 18(1), 51-56 (2009-12-17)
Thiazide diuretics are a mainstay for the treatment of hypertension. Although there are several thiazide diuretics currently available, hydrochlorothiazide (HCTZ) continues to be the most popular thiazide used for treating high blood pressure. This is despite several clinical trials that
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
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
Are chlorthalidone and hydrochlorothiazide equivalent blood-pressure-lowering medications?
Nitin Khosla et al.
Journal of clinical hypertension (Greenwich, Conn.), 7(6), 354-356 (2005-08-10)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service