Description

Phthalylsulfamethizol is a synthetic sulfonamide derivative, specifically a phthalyl ester of sulfamethizol. This compound serves as a key pharmaceutical intermediate, valued for its role in the synthesis of antimicrobial agents. It is primarily required by manufacturers in the pharmaceutical and fine chemical industries for research, development, and production purposes.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs) with sulfonamide-based antibacterial properties.
• Antimicrobial Research: Used in laboratory settings for the development and study of new antibacterial compounds targeting urinary tract and systemic infections.
• Chemical Synthesis: Employed in organic synthesis for introducing the phthalylsulfonamide moiety into more complex molecular structures.
• Veterinary Medicine: Potential use in the development of antibacterial treatments for veterinary applications.
• Reference Standard: Serves as a high-purity analytical standard for quality control and regulatory testing in pharmaceutical manufacturing.

Basic Information

Product Name	Phthalylsulfamethizol
CAS No.	485-24-5
Molecular Formula	C15H15N3O5S2
Molecular Weight	381.43 g/mol
Synonyms	Phthalylsulfamethizole; 4-Amino-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide phthalate ester; N1-(5-Methyl-1,3,4-thiadiazol-2-yl)sulfanilamide phthalyl ester; Sulfamethizole phthalate; Sulfamethizole phthalyl ester; Talizol phthalate; Phthalylsulfamethizolum
EINECS	207-614-8

Quality Control

Our Phthalylsulfamethizol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency, meeting specifications suitable for use as a pharmaceutical intermediate. A detailed Certificate of Analysis (COA) is provided with every shipment, and we can support compliance with cGMP and other relevant regulatory standards upon request.

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 incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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 ≤ 1.0%

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