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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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Edarbyclor: an ARB/chlorthalidone combination for hypertension.
The Medical letter on drugs and therapeutics, 54(1385), 17-18 (2012-03-03)
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
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
Barry L Carter et al.
Hypertension (Dallas, Tex. : 1979), 43(1), 4-9 (2003-11-26)
Thiazide diuretics are one of the preferred pharmacologic treatments for hypertension. Hydrochlorothiazide and chlorthalidone have been the 2 most commonly used diuretics in major clinical trials. Treatment guidelines and compendia often consider these 2 drugs interchangeable agents within the class
Massimo Cirillo et al.
Hypertension (Dallas, Tex. : 1979), 63(4), 692-697 (2014-01-08)
Short-term effects of chlorthalidone are unknown in low kidney function. The effects of 8-week treatment with 25-mg chlorthalidone on the top of ongoing treatment were compared between control hypertensives and low kidney function hypertensives as assessed by estimated glomerular filtration
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