Description

Sulfadiasulfonesodium CAS NO 128-12-1 is a high-purity sulfonamide derivative used as a key pharmaceutical intermediate. It is valued for its consistent quality and reliable performance in critical synthesis processes. This compound is essential for manufacturers in the pharmaceutical and fine chemical industries requiring precise building blocks for active pharmaceutical ingredient (API) production.

Application

• Pharmaceutical Intermediate: Primary use as a building block in the synthesis of sulfonamide-based APIs and specialty drugs.
• Veterinary Medicine Production: Used in the manufacture of antibacterial agents for veterinary applications.
• Research & Development: Serves as a critical reference standard and starting material in medicinal chemistry research for new drug discovery.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis to introduce specific functional groups in complex molecules.

Basic Information

Product Name	Sulfadiasulfonesodium
CAS No.	128-12-1
Molecular Formula	C12H13N4NaO4S2
Molecular Weight	372.37 g/mol
Synonyms	Sulfadiasulfone Sodium Salt; Sodium Sulfadiasulfone; Sulfadiasulfone Sodium; 4-Amino-N-(5,6-dimethoxy-4-pyrimidinyl)benzenesulfonamide Sodium Salt; Sulfadimethoxine Sodium; Sulfadoxine Impurity; Sulfadoxine Sodium Salt; Sulfadoxine Related Compound A (Sodium)
EINECS	Contact for details

Quality Control

Our Sulfadiasulfonesodium is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical intermediates. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory 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 the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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