Description

Maleic Acid-2,3-13C2 is a high-purity, isotopically labeled derivative of maleic acid, specifically enriched with carbon-13 at the 2 and 3 positions. This labeled compound is essential for advanced analytical research, providing a critical internal standard for precise quantification and metabolic pathway tracing using techniques like NMR spectroscopy and mass spectrometry. It is primarily utilized by research scientists and analytical laboratories in the fields of pharmaceutical development, environmental science, and biochemistry for method validation and complex mixture analysis.

Application

• As an internal standard for the accurate quantification of maleic acid and related compounds in complex matrices via LC-MS or GC-MS.
• In NMR spectroscopy studies for metabolic flux analysis and the elucidation of biochemical reaction mechanisms.
• For isotope dilution mass spectrometry (IDMS), a definitive method used in pharmaceutical impurity profiling and environmental contaminant analysis.
• In research and development of organic synthesis pathways, where the 13C label allows for tracking specific carbon atoms.
• As a labeled precursor in the synthesis of more complex 13C-labeled compounds for specialized research applications.

Basic Information

Product Name	Maleic Acid-2,3-13C2
CAS No.	123548-45-8
Molecular Formula	C213C2H4O4
Molecular Weight	118.06 g/mol (for 13C2 labeled form)
Synonyms	(2E)-But-2-enedioic acid-2,3-13C2; Maleic acid-13C2; (Z)-2-Butenedioic acid-2,3-13C2; Toxilic acid-2,3-13C2; cis-Butenedioic acid-2,3-13C2; 13C Labeled Maleic Acid; [13C2]-Maleic Acid
EINECS	Contact for details

Quality Control

Every batch of Maleic Acid-2,3-13C2 is produced and analyzed under strict quality protocols to ensure identity, purity, and isotopic enrichment meet the exacting standards required for research applications. Our products undergo rigorous quality testing, including spectroscopic and chromatographic methods. A comprehensive Certificate of Analysis (COA) detailing isotopic purity (atom % 13C), chemical purity (by HPLC/NMR), and other critical parameters is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. This material is hygroscopic (moisture-sensitive).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (atom % 13C)	≥ 99%
Chemical Purity (NMR)	Conforms
Water Content (KF)	≤ 0.5%

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