SML0591
Chlorthalidone
≥98% (HPLC)
Synonym(s):
2-Chloro-5(1-hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide, 2-Chloro-5-(2,3-dihydro-1-hydroxy-3-oxo-1H-isoindol-1-yl)benzenesulfonamide, Chlortalidone
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Quality Level
assay
≥98% (HPLC)
form
powder
color
white to beige
solubility
DMSO: 5 mg/mL, clear (warmed)
storage temp.
2-8°C
SMILES string
[S](=O)(=O)(N)c1c(ccc(c1)C2(NC(=O)c3c2cccc3)O)Cl
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
Biochem/physiol Actions
Chlorthalidone is a thiazide-like diuretic, an inhibitor of the Na+-Cl- cotransporter.
Chlorthalidone is a thiazide-like diuretic, an inhibitor of the Na+-Cl- cotransporter. Chlorthalidone inhibits sodium ion transport across the renal tubular epithelium increasing the delivery of sodium to the distal renal tubule and indirectly increasing potassium excretion via the sodium-potassium exchange mechanism. Chlorthalidone also promotes Ca++ reabsorption by an unknown mechanism. Several recent comparison studies inidcate that chlorthalidone may be a better drug in preventing cardiovascular events than hydrochlorothiazide.
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 2
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Brian C Lund et al.
Journal of clinical hypertension (Greenwich, Conn.), 14(9), 623-629 (2012-09-06)
Indirect evidence suggests that chlorthalidone may be more effective than hydrochlorothiazide (HCTZ), but direct comparisons are lacking. Using national Veterans Administrative pharmacy data from 2003 to 2008, the authors performed a retrospective cohort study examining the effectiveness of chlorthalidone and
Domenic Sica et al.
Journal of clinical hypertension (Greenwich, Conn.), 14(5), 284-292 (2012-04-27)
This study compared the efficacy and safety of fixed-dose combinations (FDCs) of the angiotensin II receptor blocker azilsartan medoxomil (AZL-M) and the thiazide-like diuretic chlorthalidone (CLD) with the individual monotherapies in a double-blind factorial study. A total of 1714 patients
George L Bakris et al.
The American journal of medicine, 125(12), 1229-1229 (2012-09-04)
Chlorthalidone has proven efficacy to reduce cardiovascular morbidity and mortality, yet it is infrequently used in practice. This study provides a direct comparison of chlorthalidone with hydrochlorothiazide, each combined with the angiotensin receptor blocker azilsartan medoxomil, on blood pressure reduction