Description

Methyl 3-Oxo-2,3-Dihydro-1,2-Benzisothiazole-6-Carboxylate 1,1-Dioxide is a high-purity, specialized organic compound serving as a critical synthetic intermediate in advanced chemical manufacturing. Its value lies in its unique benzisothiazole dioxide core structure, which is essential for constructing molecules with specific biological and material science properties. This product is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting neurological and anti-inflammatory pathways.
• Agrochemical Research: Used in developing advanced herbicides, fungicides, and plant growth regulators with new modes of action.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the creation of specialty polymers and advanced organic electronic materials.
• Chemical Synthesis Reagent: Employed in organic chemistry laboratories for constructing complex heterocyclic frameworks and sulfonamide derivatives.
• Dye & Pigment Intermediate: Utilized in the production of high-performance, light-fast dyes and functional pigments.

Basic Information

Product Name	Methyl 3-Oxo-2,3-Dihydro-1,2-Benzisothiazole-6-Carboxylate 1,1-Dioxide
CAS No.	63633-85-2
Molecular Formula	C9H7NO5S
Molecular Weight	241.22 g/mol
Synonyms	6-(Methoxycarbonyl)-1,2-benzisothiazol-3(2H)-one 1,1-Dioxide; Methyl 1,1-Dioxo-3-oxo-1,2-dihydrobenzisothiazole-6-carboxylate; 1,2-Benzisothiazole-6-carboxylic acid, 2,3-dihydro-3-oxo-, methyl ester, 1,1-dioxide; Saccharin-6-carboxylic acid methyl ester; Methyl saccharin-6-carboxylate; Methyl 3-oxo-1,2-dihydro-1,2-benzisothiazole-6-carboxylate S,S-dioxide
EINECS	Contact for details

Quality Control

Our production of Methyl 3-Oxo-2,3-Dihydro-1,2-Benzisothiazole-6-Carboxylate 1,1-Dioxide adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Products undergo rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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