Description

Benzenesulfonimidic Acid (8Ci,9Ci) is a specialized organosulfur compound featuring a sulfonimidoyl group, a key structural motif of interest in advanced synthetic chemistry. This high-purity intermediate is critical for researchers and manufacturers developing novel pharmaceuticals, agrochemicals, and functional materials. It is particularly valuable for applications in medicinal chemistry, serving as a versatile building block for the synthesis of sulfoximine derivatives, which are increasingly important in drug discovery for their unique biological and physicochemical properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of sulfoximine-based active pharmaceutical ingredients (APIs) for therapeutic areas such as oncology and neurology.
• Agrochemical Research: Used in developing novel herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Catalyst & Ligand Synthesis: Serves as a building block for creating chiral sulfoximine ligands used in asymmetric catalysis.
• Material Science: Employed in the research and development of advanced polymers and functional materials with specific surface properties.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and protein function.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	Benzenesulfonimidic Acid (8Ci,9Ci)
CAS No.	4388-24-3
Molecular Formula	C6H7NO2S
Molecular Weight	157.19 g/mol
Synonyms	Benzenesulfonimidic Acid; N-Hydroxybenzenesulfinimidic Acid; Benzenesulfonimidic acid (9CI); NSC 403079; Phenylsulfonimidic Acid; Sulfonimidic acid, phenyl-; Benzenesulfonimidic acid (8CI)
EINECS	Contact for details

Quality Control

Our Benzenesulfonimidic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. For cGMP or other specific regulatory requirements, please contact our technical sales team to discuss available grades and documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.