Description

C00984 CAS NO 3646-73-9 is a high-purity chemical compound identified by the CAS registry number 3646-73-9. This material is valued for its role as a versatile intermediate in advanced synthesis and specialized manufacturing processes. It is essential for R&D laboratories and industrial producers in the pharmaceutical, agrochemical, and fine chemical sectors seeking reliable, high-quality building blocks.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and specialty performance chemicals.
• Research & Development: A valuable reagent for method development and exploratory organic synthesis in academic and industrial labs.
• Material Science: Employed in the development of novel polymers and advanced functional materials.
• Cross-Coupling Reactions: Acts as a substrate or ligand in catalytic processes such as Suzuki or Heck reactions.

Basic Information

Product Name	C00984
CAS No.	3646-73-9
Molecular Formula	C8H7NO3S
Molecular Weight	197.21 g/mol
Synonyms	4-Methylbenzenesulfonamide; p-Toluenesulfonamide; Tosylamide; 4-Toluenesulfonamide; p-Toluolsulfonamid; TSA; Toluen-4-sulfonamide; NSC 403697
EINECS	222-903-7

Quality Control

Our C00984 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for synthetic applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	136 - 140 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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