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Pharmacopeial Impurities (EP / USP / BP)

Chlortalidone EP Impurity A

Reference StandardAvailable on request

Order Chlortalidone EP Impurity A (CAS 345930-32-7) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Chlortalidone EP Impurity A chemical structure
CAS number345930-32-7
FormulaC14H9ClO6S
Molar mass340.7 g/mol
Physical formSolid
HS code38229090
InChIKeyRJYDOLIJCOTRRK-UHFFFAOYSA-N
IUPAC name2-(4-chloro-3-sulfobenzoyl)benzoic acid

About Chlortalidone EP Impurity A

Chlortalidone EP Impurity A belongs to the Chlorthalidone reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 345930-32-7, formula C14H9ClO6S and molar mass 340.7 g/mol. It is handled as a solid.

Use cases we see most often

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Chlorthalidone

See every impurity, metabolite and related compound we list for this API.

Chlorthalidone standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Chlortalidone EP Impurity A
Product nameChlortalidone EP Impurity A
Catalogue numberZX-021193
CAS number345930-32-7
IUPAC name2-(4-chloro-3-sulfobenzoyl)benzoic acid
Molecular formulaC14H9ClO6S
Molar mass340.7 g/mol
Exact mass339.9808
GradeReference Standard
Physical formSolid
XLogP32.2
H-bond donors / acceptors2 / 6
Topological polar surface area117 Ų
HS code38229090
InChIKeyRJYDOLIJCOTRRK-UHFFFAOYSA-N
SMILESC1=CC=C(C(=C1)C(=O)C2=CC(=C(C=C2)Cl)S(=O)(=O)O)C(=O)O
PubChem CID12850057
SynonymsChlorthalidone EP Impurity A, Chlortalidone - Impurity A, Chlorthalidone Impurity A, 2-(4-Chloro-3-sulfobenzoyl)-benzoic Acid, Benzoic acid, 2-(4-chloro-3-sulfobenzoyl)-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Chlortalidone EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Chlortalidone EP Impurity A

Which CAS number identifies Chlortalidone EP Impurity A?
Chlortalidone EP Impurity A is registered under CAS 345930-32-7. You may also see it listed as Chlorthalidone EP Impurity A, Chlortalidone - Impurity A, Chlorthalidone Impurity A. Our catalogue number for this item is ZX-021193.
What are the formula and molar mass of Chlortalidone EP Impurity A?
For Chlortalidone EP Impurity A, its formula is C14H9ClO6S and its molar mass is 340.7 g/mol. The systematic (IUPAC) name is 2-(4-chloro-3-sulfobenzoyl)benzoic acid. InChIKey RJYDOLIJCOTRRK-UHFFFAOYSA-N lets you match it in any structure database.
How is Chlortalidone EP Impurity A used in pharmaceutical QC?
Chlortalidone EP Impurity A is a characterised reference material linked to Chlorthalidone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Chlortalidone EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Chlortalidone EP Impurity A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Chlortalidone EP Impurity A to my country?
Yes. Chlortalidone EP Impurity A ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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