

share
Benzenemethanesulfonamide, Alpha,α-Difluoro-4-Methyl- (9Ci) CAS NO 803728-11-2
Unit Price:
CAS No.:803728-11-2
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Benzenemethanesulfonamide, Alpha,α-Difluoro-4-Methyl- (9Ci) is a specialized fluorinated sulfonamide derivative, a high-value building block in advanced organic synthesis. Its core value lies in the unique reactivity imparted by the difluoromethylene group adjacent to the sulfonamide, making it a critical intermediate for constructing complex molecules with tailored properties. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for developing new active ingredients and fine chemicals.
Application
- Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel active pharmaceutical ingredients (APIs), especially those requiring fluorinated motifs for enhanced metabolic stability and bioavailability.
- Agrochemical Synthesis: Used in the creation of advanced herbicides, fungicides, and pesticides where the introduction of fluorine atoms can improve efficacy and environmental profile.
- Material Science Research: Acts as a precursor for specialty polymers and advanced materials, where the sulfonamide and fluorine groups can modify surface properties and chemical resistance.
- Ligand and Catalyst Development: Employed in the synthesis of complex ligands for catalysis and molecular recognition studies in both academic and industrial settings.
- Fluorine Chemistry Building Block: A versatile reagent for introducing the -CF2- moiety into target molecules, a common strategy in modern medicinal and synthetic chemistry.
Basic Information
| Product Name | Benzenemethanesulfonamide, Alpha,α-Difluoro-4-Methyl- (9Ci) |
| CAS No. | 803728-11-2 |
| Molecular Formula | C8H9F2NO2S |
| Molecular Weight | 221.23 g/mol |
| Synonyms | α,α-Difluoro-4-methylbenzenemethanesulfonamide; 4-Methyl-α,α-difluorobenzenemethanesulfonamide; N-(Difluoro(p-tolyl)methyl)sulfamide; p-Tolyl(difluoro)methanesulfonamide; 1-(Difluoro(p-tolyl)methyl)sulfonyl]amine; (4-Methylphenyl)(difluoro)methanesulfonamide; Benzenemethanesulfonamide, α,α-difluoro-4-methyl- |
| EINECS | Contact for details |
Quality Control
Every batch of Benzenemethanesulfonamide, Alpha,α-Difluoro-4-Methyl- (9Ci) is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. Comprehensive analytical testing, including HPLC, NMR, and GC-MS, is performed to verify identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality parameters.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 97.0% |
| Water Content (KF) | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


3-Fluorobenzylamine CAS NO 100-82-3


N,n-Bis(2-Chloroethyl)-m-Fluorobenzylamine CAS NO 1542-44-5


N,n-Bis(2-Chloroethyl)-p-Fluorobenzylamine CAS NO 1542-46-7


2-Fluoro-3,4-Dimethoxybenzylchloride CAS NO 1716-43-4


1,4-Bis(2-Hydroxyhexafluoroisopropyl)Benzene CAS NO 1992-15-0


3,4,5,6-Tetrafluoro-o-Xylene-Alpha,Alpha'-Diol CAS NO 13719-81-8


Methanol, 1,1-Difluoro-, 1-(4-Methylbenzenesulfonate) CAS NO 14277-20-4


Cyclohexanecarboxylic Acid 2,2,3,3,4,4,5,5,6,6,7,7-Dodecafluoroheptyl Ester CAS NO 18770-66-6


2,6-Difluorobenzyl Alcohol CAS NO 19064-18-7


2,3,6-Trifluorobenzyl Alcohol CAS NO 114152-19-1


4-(4-Fluorobenzyloxy)Benzyl Alcohol CAS NO 117113-98-1


(S)-1-(3-Fluorophenyl)Ethanol CAS NO 126534-32-5


4-Fluoro-3-Methoxybenzyl Alcohol CAS NO 128495-45-4


3-Fluoro-4-Nitrobenzyl Bromide CAS NO 131858-37-2


[1-(2-Fluorophenyl)-1H-Pyrrol-2-Yl]Methanol CAS NO 132407-66-0


2-Nitro-4-(Trifluoromethyl)Benzyl Alcohol CAS NO 133605-27-3


Benzenemethanol, 6-Amino-2,3-Difluoro- (9Ci) CAS NO 144298-16-8


3-Fluoro-4-Methylbenzyl Bromide CAS NO 145075-44-1


(4'-Fluorobiphenyl-4-Yl)-Methanol CAS NO 147497-56-1


1-2-(2,4-Difluorophenyl)-2-Propenol Acetate CAS NO 149809-34-7
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






