Description

4-Chloro-3-(Chlorosulfonyl)Benzoic Acid-13C6 is a stable isotope-labeled derivative of a key benzoic acid intermediate, where all six carbon atoms are the carbon-13 isotope. This compound is specifically engineered for use as an internal standard in advanced analytical techniques, providing unparalleled accuracy and reliability in quantitative analysis. It is an essential tool for researchers and quality control laboratories in the pharmaceutical, agrochemical, and environmental science sectors who require precise measurement of trace compounds and metabolites.

Application

• Internal Standard for Liquid Chromatography-Mass Spectrometry (LC-MS) and Gas Chromatography-Mass Spectrometry (GC-MS) in pharmaceutical bioanalysis.
• Tracer compound in metabolism and pharmacokinetic studies for drug development.
• Quantitative reference material for the analysis of related agrochemicals and their environmental degradation products.
• Critical reagent in the synthesis of isotopically labeled complex molecules for research and diagnostic applications.
• Calibration standard for ensuring accuracy in regulatory testing and compliance within GLP/GMP environments.

Basic Information

Product Name	4-Chloro-3-(Chlorosulfonyl)Benzoic Acid-13C6
CAS No.	1329836-24-9
Molecular Formula	C713C6H3Cl2O4S
Molecular Weight	~298.06 (for 13C6 labeled form)
Synonyms	Benzoic-13C6 acid, 4-chloro-3-(chlorosulfonyl)-; 3-(Chlorosulfonyl)-4-chlorobenzoic-13C6 acid; 4-Chloro-3-chlorosulfonylbenzoic-13C6 acid; 2-Chloro-5-(chlorosulfonyl)benzoic-13C6 acid; Isotopically labeled benzoic acid derivative; 13C6-4-Chloro-3-(chlorosulfonyl)benzoic acid; Stable isotope-labeled internal standard; CAS 1329836-24-9
EINECS	Contact for details

Quality Control

Every batch of 4-Chloro-3-(Chlorosulfonyl)Benzoic Acid-13C6 is produced and analyzed under strict quality protocols to ensure the highest isotopic and chemical purity for traceable analytical applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing isotopic enrichment (Atom % 13C), chemical purity (by HPLC), and identity confirmation (by NMR and MS) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Enrichment (Atom % 13C)	≥ 99% 13C6
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.