Description

Oxalic Acid (1,2-13C2) is a stable isotope-labeled analog of oxalic acid, specifically enriched with carbon-13 at the 1 and 2 positions. This high-purity labeled compound is essential for advanced analytical research, providing a critical internal standard for precise quantification and metabolic pathway elucidation. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, agrochemical, and environmental science sectors for applications requiring high sensitivity and accuracy, such as mass spectrometry and NMR spectroscopy.

Application

• Internal Standard for Mass Spectrometry (MS): Used as a quantitative reference standard in LC-MS and GC-MS analyses to ensure accurate measurement of oxalic acid and related metabolites in complex biological and environmental matrices.
• Metabolic Pathway Tracing: Employed in 13C isotopic labeling studies to investigate the biosynthesis and degradation pathways of oxalic acid in plants, fungi, and mammalian systems.
• NMR Spectroscopy: Serves as a valuable tool in nuclear magnetic resonance studies for method development, signal assignment, and structural analysis due to its distinct isotopic signature.
• Pharmaceutical Impurity Profiling: Aids in the identification and quantification of oxalic acid as a potential degradation product or impurity in active pharmaceutical ingredients (APIs) and drug formulations.
• Environmental Analysis: Facilitates the precise tracking and measurement of oxalic acid in atmospheric aerosols, water, and soil samples to study environmental processes and pollution.
• Clinical Research: Supports investigations into metabolic disorders, such as primary hyperoxaluria, by enabling accurate measurement of oxalate levels in physiological fluids.

Basic Information

Product Name	Oxalic Acid (1,2-13C2)
CAS No.	286367-59-7
Molecular Formula	13C2H2O4
Molecular Weight	92.03 g/mol
Synonyms	Ethanedioic-1,2-13C2 Acid; [1,2-13C2]Oxalic Acid; 13C2-Labeled Oxalic Acid; Carbon-13 Labeled Oxalic Acid; Isotopic Oxalic Acid; Dicarboxylic-13C2 Acid; (1,2-13C) Oxalic Acid
EINECS	Contact for details

Quality Control

Our Oxalic Acid (1,2-13C2) is manufactured under strict quality-controlled conditions to ensure exceptional isotopic and chemical purity, meeting the rigorous demands of analytical research. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as isotopic enrichment, chemical purity, and absence of critical impurities. We are committed to supplying materials that support reproducible and reliable scientific results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed immediately after use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Isotopic Enrichment	≥ 99 atom % 13C
Chemical Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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