Description

Sulfur-32 CAS NO 13981-57-2 is a stable, non-radioactive isotope of sulfur, distinguished by its specific atomic mass and purity. This isotopically labeled compound is essential for advanced research and industrial processes where precise molecular tracking and analysis are required. It is a critical material for scientists and manufacturers in the fields of analytical chemistry, geochemistry, life sciences, and materials science.

Application

• Isotopic Tracer Studies: Used as a stable isotopic label in metabolic pathway research, environmental fate studies, and chemical reaction mechanisms.
• Analytical Standards: Serves as a critical reference standard in mass spectrometry (MS) and nuclear magnetic resonance (NMR) for accurate quantification and method calibration.
• Geochemical Research: Employed in stable isotope geochemistry to trace sulfur cycles in geological formations, hydrothermal systems, and atmospheric studies.
• Pharmaceutical & Biochemical Research: Utilized in the development and testing of novel drug compounds and in proteomics to track sulfur-containing amino acids.
• Materials Science: Applied in the synthesis and characterization of advanced materials, such as semiconductors and nanomaterials, where isotopic purity influences properties.
• Industrial Process Monitoring: Acts as a tracer in industrial chemical processes to optimize yields, monitor catalyst performance, and ensure quality control.

Basic Information

Product Name	Sulfur-32
CAS No.	13981-57-2
Molecular Formula	32S
Molecular Weight	31.972 g/mol
Synonyms	Sulfur-32 isotope; 32S; Stable Sulfur-32; Sulfur, isotope of mass 32; Sulfur 32; [32S]Sulfur; Sulfur (32S); EINECS 237-778-6
EINECS	237-778-6

Quality Control

Our Sulfur-32 is produced and handled under stringent quality management protocols. Each batch is analyzed to ensure high isotopic and chemical purity, with specifications verified against certified reference materials. A comprehensive Certificate of Analysis (COA) detailing isotopic enrichment, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. Keep the container sealed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Yellow solid
Isotopic Enrichment (32S)	≥ 99.0 atom %
Assay (Titration)	≥ 99.0 %
Identification (IR)	Conforms
Heavy Metals (as Pb)	≤ 10 ppm
Loss on Drying	≤ 0.5 %

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