Sulfathiazole sodium pentahydrate, 100 g

Sulfathiazole sodium pentahydrate is a sulfonamide biochemical reagent identified by CAS number 6791-71-5 and the empirical formula C₉H₈N₃NaO₂S₂·5H₂O. With a molar mass of 367,38 g/mol, the sodium pentahydrate form provides a clearly defined molecular basis for weighing, solution preparation and documentation in chemical and biochemical laboratory work. This listing covers size suited to routine bench use, stock preparation and method set-up where a consistent quantity of sulfathiazole sodium pentahydrate is required. The hydrate stoichiometry is reflected in the stated formula and molar mass, supporting accurate mass-to-mole conversions during assay design and analytical calculations. Supplied from manufacturer Carl ROTH, the product sits within biochemical and chemical catalogue ranges used for research and quality-control oriented tasks. Laboratories can align inventory records with the CAS number, empirical formula and pack size given here, keeping purchasing and laboratory documentation consistent. offers a practical balance between working stock and manageable storage for groups that handle sulfonamide-related biochemicals on a regular basis without needing multiple small reorders.

This article is part of Inorganic salts, in Inorganic chemicals.

Key features

• Purity (HPLC): ≥ 98 %
• Colour: white to light yellow
• Form: powder to crystalline powder
• ¹H-NMR Spectrum: corresponds to assigned structure
• Loss on Drying: 22 to 27 %
• CAS number: 6791-71-5
• Pack sizes: 100 g, 250 g, 500 g, 1 kg
• Empirical formula: C₉H₈N₃NaO₂S₂·5H₂O
• Molar mass: 367,38 g/mol
• Product type: Biochemical
• Technical Information Sheet:
• Safety Data Sheet: