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H2910

Sigma-Aldrich

Hydrochlorothiazide

meets USP testing specifications

Synonym(s):

6-Chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide, 6-Chloro-7-sulfamyl-3,4-dihydro-1,2,4-benzothiadiazine 1,1-dioxide

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About This Item

Empirical Formula (Hill Notation):
C7H8ClN3O4S2
CAS Number:
Molecular Weight:
297.74
EC Number:
MDL number:
UNSPSC Code:
12352125
PubChem Substance ID:
NACRES:
NA.21

Agency

USP/NF
meets USP testing specifications

Quality Level

form

solid

application(s)

pharmaceutical (small molecule)

SMILES string

NS(=O)(=O)c1cc2c(NCNS2(=O)=O)cc1Cl

InChI

1S/C7H8ClN3O4S2/c8-4-1-5-7(2-6(4)16(9,12)13)17(14,15)11-3-10-5/h1-2,10-11H,3H2,(H2,9,12,13)

InChI key

JZUFKLXOESDKRF-UHFFFAOYSA-N

Gene Information

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Biochem/physiol Actions

Carbonic anhydrase inhibitor

Pictograms

Health hazard

Signal Word

Warning

Hazard Statements

Hazard Classifications

Carc. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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A Dornhorst et al.
Lancet (London, England), 1(8421), 123-126 (1985-01-19)
14 hypertensive men with type II diabetes sequentially received, in random order, hydrochlorothiazide 50 mg twice a day, propranolol 80 mg twice a day, and both drugs in combination. The 3-week treatment periods were separated by a 1-week washout period.
Johannes A N Dorresteijn et al.
Journal of hypertension, 31(2), 393-403 (2012-12-14)
The objective of this study is to determine the effects of renin-angiotensin-aldosterone system inhibition, sympathoinhibition and diuretic therapy on endothelial function and blood pressure in obesity-related hypertension. A randomized, four-way, double-blind, crossover study in 31 adults with previously untreated obesity-related
Franz H Messerli et al.
The American journal of medicine, 124(10), 896-899 (2011-10-04)
Hydrochlorothiazide (HCTZ) has become by far the most commonly prescribed antihypertensive drug in the US. In 2008, 47.8 million prescriptions were written for HCTZ alone and 87.1 million prescriptions for HCTZ combinations. However, there is no evidence that HCTZ in
Irfan A Dhalla et al.
Annals of internal medicine, 158(6), 447-455 (2013-04-05)
Some evidence suggests that chlorthalidone may be superior to hydrochlorothiazide for the treatment of hypertension. To compare the effectiveness and safety of chlorthalidone and hydrochlorothiazide in older adults. Propensity score-matched observational cohort study with up to 5 years of follow-up.
George C Roush et al.
Hypertension (Dallas, Tex. : 1979), 59(6), 1110-1117 (2012-04-25)
Hydrochlorothiazide (HCTZ) is widely used for hypertension, and prescriptions for HCTZ outnumber those for chlorthalidone (CTDN) by >20-fold in 2 recent surveys. Some have recently expressed a preference for CTDN. However, head-to-head trials testing the effect of the 2 drugs

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