Description

St-476 CAS NO 15327-43-2 is a specialized chemical intermediate known for its unique structural properties. This compound is valued for its role in facilitating complex synthetic pathways, enabling the production of high-performance materials and fine chemicals. It is essential for R&D laboratories and manufacturing units in the pharmaceutical, agrochemical, and advanced polymer industries seeking reliable and consistent raw materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers, resins, and high-performance coatings.
• Fine Chemical Production: Employed in custom synthesis and the manufacture of complex organic molecules for various industrial applications.
• Research & Development: A valuable reagent for academic and industrial research in organic chemistry and process development.

Basic Information

Product Name	St-476
CAS No.	15327-43-2
Molecular Formula	C10H12N2O3S
Molecular Weight	240.28 g/mol
Synonyms	ST-476; 2-(Methylsulfonyl)-5-nitrobenzimidazole; 5-Nitro-2-(methylsulfonyl)-1H-benzimidazole; 1H-Benzimidazole, 5-nitro-2-(methylsulfonyl)-; NSC 163049; Benzimidazole, 5-nitro-2-(methylsulfonyl)-; 15327-43-2; ST476
EINECS	Contact for details

Quality Control

Our St-476 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

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). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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