Chlortalidone EP Impurity A

Name: Chlortalidone EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-022161

About Chlortalidone EP Impurity A

Chlortalidone EP Impurity A (CAS 345930-32-7) is a pharmacopeial impurity of Chlorthalidone offered by Vaqora Chemicals. Its molecular formula is C14H9ClO6S and its molecular weight is 340.7 g/mol. Systematically, it is named 2-(4-chloro-3-sulfobenzoyl)benzoic acid. It is also known as Chlorthalidone EP Impurity A or Chlortalidone - Impurity A.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Chlorthalidone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Chlortalidone EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Chlorthalidone

View every impurity, metabolite and intermediate we list for Chlorthalidone.

Chlorthalidone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Chlortalidone EP Impurity A
Catalogue No.	VQ-022161
CAS Number	345930-32-7
IUPAC name	2-(4-chloro-3-sulfobenzoyl)benzoic acid
Molecular formula	C₁₄H₉ClO₆S
Molecular weight	340.7 g/mol
Exact mass	339.9808
Grade	Reference Standard
HSN code	38229090
InChIKey	RJYDOLIJCOTRRK-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)C(=O)C2=CC(=C(C=C2)Cl)S(=O)(=O)O)C(=O)O
PubChem CID	12850057

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	2 / 6
TPSA	117 Å²
Synonyms	Chlorthalidone EP Impurity A, Chlortalidone - Impurity A, Chlorthalidone Impurity A, 2-(4-Chloro-3-sulfobenzoyl)-benzoic Acid, Benzoic acid, 2-(4-chloro-3-sulfobenzoyl)-

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Chlortalidone EP Impurity A?

The CAS Registry Number of Chlortalidone EP Impurity A is 345930-32-7. It is also known as Chlorthalidone EP Impurity A, Chlortalidone - Impurity A, Chlorthalidone Impurity A.

What is the molecular formula and molecular weight of Chlortalidone EP Impurity A?

Chlortalidone EP Impurity A has the molecular formula C14H9ClO6S and a molecular weight of 340.7 g/mol. Its IUPAC name is 2-(4-chloro-3-sulfobenzoyl)benzoic acid.

What is Chlortalidone EP Impurity A used for?

Chlortalidone EP Impurity A is supplied as a characterised reference material related to Chlorthalidone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Chlortalidone EP Impurity A can I order?

We supply Chlortalidone EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chlortalidone EP Impurity A?

Yes. Every lot of Chlortalidone EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Chlortalidone EP Impurity A be shipped internationally?

Yes. We export Chlortalidone EP Impurity A worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.