4-Carboxy Benzene Sulfonamide is a high-purity chemical used as an intermediate for pharmaceuticals, dyes, and agrochemicals. Its functional groups make it versatile in chemical synthesis.
D.K. Pharmachem ensures controlled production, analytical validation, and stable supply for international customers.
| Attribute | Details |
|---|---|
| CAS Number | 123-03-5 |
| Molecular Formula | C₇H₇NO₄S |
| Molecular Weight | 197.20 g/mol |
| Grade | Pharma / Industrial |
| Appearance | White crystalline powder |
| Purity | ≥99% |
| Packaging | Export-grade HDPE drums |

Applied in sulfonamide drug intermediates

Used in specialty colorant synthesis

Precursor in crop protection chemicals

Utilized in functional group modification studies
As a WHO-GMP certified manufacturer, We are equipped for high-purity pharmaceutical intermediate production. Our 4-Carboxy Benzene Sulfonamide manufacturing line is purpose-built for controlled synthesis, ensuring batch-to-batch consistency and compliance with international pharmacopoeial standards.
DK Pharmachem operates a dedicated WHO-GMP certified manufacturing facility in India, equipped for high-purity pharmaceutical intermediate production. Our 4-Carboxy Benzene Sulfonamide manufacturing line is purpose-built for controlled synthesis, ensuring batch-to-batch consistency and compliance with international pharmacopoeial standards.
Facility highlights to list as bullet points below this paragraph:
As a bulk 4-Carboxy Benzene Sulfonamide supplier in India, DK Pharmachem maintains scalable production capacity to meet both regular and high-volume procurement requirements. Our supply chain is designed to support uninterrupted manufacturing operations for our clients.
Supply capabilities to list as bullet points:
Every batch of 4-Carboxy Benzene Sulfonamide manufactured at our India facility is backed by:
As one of the established 4-Carboxy Benzene Sulfonamide manufacturers in India, we ensure uninterrupted supply chains and strict adherence to global quality standards.
DK Pharmachem serves clients across pharmaceuticals, agrochemicals, water treatment, and contract manufacturing sectors. We maintain consistent stock availability to support both spot orders and long-term supply agreements.
As an established 4-Carboxy Benzene Sulfonamide exporter, we ship to regulated markets including Europe, North America, Southeast Asia, and the Middle East. All export shipments are accompanied by full documentation - COA, MSDS, EDMF, and country-specific regulatory filings where required.
Partner with DK Pharmachem for consistent pharmaceutical-grade quality, reliable bulk supply, and comprehensive regulatory documentation. Get in touch with our team today to discuss your requirements, timelines, and pricing.
4-Carboxy Benzene Sulfonamide powder is packed to maintain stability and ensure safe handling throughout the supply chain.
Choosing the right sourcing partner for 4-Carboxy Benzene Sulfonamide means evaluating quality, regulatory standing, supply reliability, and long-term partnership capability. DK Pharmachem has been a trusted name in pharmaceutical intermediates for over four decades, built on a foundation of manufacturing excellence and customer trust.

Direct Manufacturer, Not a Trader

WHO-GMP Certified Manufacturing

EDMF Registration Support

EP/BP Compliant Product Quality

Comprehensive Technical & Export Documentation

Bulk Supply & Long-Term Contract Support
Find answers to common questions about 4-Carboxy Benzene Sulfonamide used for? products and services
4-Carboxy Benzene Sulfonamide is a pharmaceutical and chemical intermediate. It is primarily used in the synthesis of sulfonamide drug intermediates, and also finds application in dyes and pigments, agrochemical intermediates, and industrial research and development for functional group modification studies.
DK PharmaChem manufactures 4-Carboxy Benzene Sulfonamide to European Pharmacopoeia (EP) and British Pharmacopoeia (BP) compliance standards. The product is available in pharma and industrial grade, with a minimum purity of 99%, verified through in-house HPLC analytical testing.
Yes. DK PharmaChem manufactures 4-Carboxy Benzene Sulfonamide at a dedicated WHO-Good Manufacturing Practice (WHO-GMP) certified facility in India. The facility includes dedicated synthesis and processing units, an in-house HPLC quality control laboratory, and validated cleaning and production procedures for batch-to-batch consistency.
Every shipment is accompanied by a Certificate of Analysis (CoA) and a Material Safety Data Sheet (MSDS) on request. DK PharmaChem also holds European Drug Master File (EDMF) registration for the product, and provides country-specific regulatory filings where required by the importing market.
The CAS number for 4-Carboxy Benzene Sulfonamide is 123-03-5. Its molecular formula is C7H7NO4S, with a molecular weight of 197.20 g/mol, and it appears as a white crystalline powder.
4-Carboxy Benzene Sulfonamide is packed in export-grade HDPE drums as standard, with fiber drums with inner liners also available. Bulk packaging options can be arranged for larger volume orders, and shipments should be stored in a cool, dry, well-ventilated area away from moisture and direct sunlight.
Buyers can request a quote by reaching out to DK PharmaChem’s team through the contact form on the website or by email. The team can be reached to discuss requirements, timelines, and pricing, and to arrange documentation such as CoA, MSDS, and EDMF filings for evaluation before ordering.
Yes. DK PharmaChem exports 4-Carboxy Benzene Sulfonamide to regulated markets including Europe, North America, Southeast Asia, and the Middle East. All export shipments are accompanied by full documentation, including CoA, MSDS, EDMF, and country-specific regulatory filings where required.