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Polythiazide chemical structure, C11H13ClF3N3O4S3, CAS 346-18-9
2D chemical structure

Key facts

What buyers check first

Appearance
White, crystalline powder
Melting point
202.5 °C
Solubility
PRACTICALLY INSOL IN WATER & CHLOROFORM, SOL IN METHANOL, ACETONE & DIMETHYLFORMAMIDE
HS code
293590
Category
Cardiovascular and metabolic drugs
Illustrative photo, off-white crystalline powder in fibre drums in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Polythiazide?

Plain description, key identifiers and synonyms

Polythiazide is a benzothiadiazine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
6-chloro-2-methyl-1,1-dioxo-3-(2,2,2-trifluoroethylsulfanylmethyl)-3,4-dihydro-1λ6,2,4-benzothiadiazine-7-sulfonamide
CAS number
346-18-9 CAS number cross-checkedOther or deprecated CAS: 96783-10-7, 96783-11-8
EC number
206-468-4
Molecular formula
C11H13ClF3N3O4S3
UNII
36780APV5N, 7Q9A5WT2FR, SWY93BD8RL
InChIKey
CYLWJCABXYDINA-UHFFFAOYSA-N
InChI
InChI=1S/C11H13ClF3N3O4S3/c1-18-10(4-23-5-11(13,14)15)17-7-2-6(12)8(24(16,19)20)3-9(7)25(18,21)22/h2-3,10,17H,4-5H2,1H3,(H2,16,19,20)
SMILES (canonical and isomeric)
CN1C(NC2=CC(=C(C=C2S1(=O)=O)S(=O)(=O)N)Cl)CSCC(F)(F)F

Synonyms

  • Renese
  • Drenusil
  • Nephril
  • Politiazida
  • 2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-2-methyl-3-(((2,2,2-trifluoroethyl)thio)methyl)-, 1,1-dioxide
  • 6-Chloro-3,4-dihydro-2-methyl-3-(((2,2,2-trifluoroethyl)thio)methyl)-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide
  • 2-Methyl-3-(beta,beta,beta-trifluoroethylthiomethyl)-6-chloro-7-sulfamyl-3,4-dihydro-1,2,4-benzothiadiazine 1,1-dioxide
  • 2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-2-methyl-3-[[(2,2,2-trifluoroethyl)thio]methyl]-, 1,1-dioxide
  • 6-Chloro-3,4-dihydro-2-methyl-3-[[(2,2,2-trifluoroethyl)thio]methyl]-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide
  • politiazide
  • 6-chloro-2-methyl-1,1-dioxo-3-(((2,2,2-trifluoroethyl)sulfanyl)methyl)-3,4-dihydro-2H-1$l^(6),2,4-benzothiadiazine-7-sulfonamide
  • 6-chloro-2-methyl-1,1-dioxo-3-{[(2,2,2-trifluoroethyl)sulfanyl]methyl}-3,4-dihydro-2H-1$l^{6},2,4-benzothiadiazine-7-sulfonamide
  • 2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-2-methyl-3-(((2,2,2-trifluoroethyl)thio)methyl)-, 1,1-dioxide (8CI, 9CI)
  • Nephril, (+)-
  • 6-chloro-2-methyl-1,1-dioxo-3-{[(2,2,2-trifluoroethyl)sulfanyl]methyl}-3,4-dihydro-2H-1lambda6,2,4-benzothiadiazine-7-sulfonamide
  • Drenusil, NSC 108161, Nephril, P 2525, Renese
  • 2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-2-methyl-3-(((2,2,2-trifluoroethyl)thio)methyl)-, 1,1-dioxide, (+)-
  • Renese (TN)
  • 6-Chloro-3,4-dihydro-2-methyl-7-sulphamoyl-3-(2,2,2-trifluoroethylthiomethyl)-2H-benzo-1,2,4-thiadiazine 1,1-dioxide
  • Nephril, (-)-
  • Polythiazide, (-)-
  • 6-chloro-2-methyl-3-(((2,2,2-trifluoroethyl)thio)methyl)-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamide 1,1-dioxide
  • 2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-2-methyl-3-(((2,2,2-trifluoroethyl)thio)methyl)-, 1,1-dioxide, (-)-
  • 2H-1,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-2-methyl-3-[[(2,2,2-trifluoroethyl)thio]methyl]-, 1,1-dioxide
  • 6-chloro-2-methyl-1,1-dioxo-3-(2,2,2-trifluoroethylsulfanylmethyl)-3,4-dihydro-1lambda6,2,4-benzothiadiazine-7-sulfonamide
Show all 30 synonyms
  • 6-chloro-2-methyl-1,1-dioxo-3-(2,2,2-trifluoroethylsulfanylmethyl)-3,4-dihydrobenzo[e][1,2,4]thiadiazine-7-sulfonamide
  • 6-Chloro-2-methyl-1,1-dioxo-3-{[(2,2,2-trifluoroethyl)sulfanyl]methyl}-1,2,3,4-tetrahydro-1lambda~6~,2,4-benzothiadiazine-7-sulfonamide
  • 6-Chloro-2-methyl-3-([(2,2,2-trifluoroethyl)sulfanyl]methyl)-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide #
  • 6-Chloro-2-methyl-3-[[(2,2,2-trifluoroethyl)sulfanyl]methyl]-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide
  • 6-Chloro-3,2,2-trifluoroethyl)thio]methyl]-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
White, crystalline powderexp.
Melting point
202.5 °Cexp.
Solubility
PRACTICALLY INSOL IN WATER & CHLOROFORM, SOL IN METHANOL, ACETONE & DIMETHYLFORMAMIDEexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
439.89 g/molcalc.
Exact mass
438.9709 Dacalc.
LogP (octanol/water)
1.65calc.
Topological polar surface area
109.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
4calc.
Heavy atoms
25calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.46calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=S1(=O)NCNc2ccccc21

O=S1(=O)NCNc2ccccc21

2 rings, 12 atoms, the 2H-1,2,4-Benzothiadiazine, 3,4-dihydro-, 1,1-dioxide ring system.

123 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

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Uses and applications

What the substance is used for, by industry and function

Therapeutic category: Diuretic, antihypertensive.

Use classes: Pharmaceuticals.

Industries and functions

Pharmacological actions

  • Antihypertensive Agents
  • Diuretics
  • Sodium Chloride Symporter Inhibitors

Roles

  • cardiovascular drug
  • pharmaceutical

Pharmacology

Polythiazide is a Thiazide Diuretic. The physiologic effect of polythiazide is by means of Increased Diuresis.

How it is made

Reaction of 6-amino-4-chloro-n'-methyl-m-benzenedisulfonamide with the dimethyl acetal of 2,2,2-trifluoroethylmercaptoacetaldehyde in ethylene glycol dimethyl ether in the presence of a catalyst

Mcmanus, us patent 3,009,911 (1961 to pfizer).

5-Chloroaniline-2,4-disulfonamide + 2,2,2-trifluoroethanol + mercaptoacetaldehyde (sulfide formation/carbonyl condensation/methylation).

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Polythiazide is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Polythiazide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Polythiazide, based on the data on this page

What is Polythiazide?

Polythiazide is a benzothiadiazine.

What is the CAS number of Polythiazide?

The CAS registry number of Polythiazide is 346-18-9. Other or deprecated CAS numbers: 96783-10-7, 96783-11-8.

What is the molecular formula and weight of Polythiazide?

The molecular formula of Polythiazide is C11H13ClF3N3O4S3 and its molar mass is 439.89 g/mol.

What is Polythiazide used for?

Therapeutic category: Diuretic, antihypertensive. Use classes: Pharmaceuticals.

Is Polythiazide hazardous?

Polythiazide carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Polythiazide?

Polythiazide is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Polythiazide?

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What is the price of Polythiazide?

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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