PR1MA™ Sulfamethoxazole

CAS Number: 723-46-6
Molecular Weight: 253.3
Chemical Formula: C₁₀H₁₁N₃O₃S
Solubility: Acetone
Storage Temperature: Room Temperature

Bacteriostatic antibiotic that inhibits nucleic acid synthesis in sensitive micro-organisms.


Research or further manufacturing use only, not for food or drug use.

• Appearance: White to Off White Crystalline Powder
• Infrared Spectrum: Conforms to Structure
• Loss on Drying: ≤ 0.5 %
• Residue on Ignition: ≤ 0.1 %
• Related Substance (Sulfanilic acid): ≤ 0.10 %
• Related Substance (Sulfanilamide): ≤ 0.10 %
• Related Substance (Impurity C, A): ≤ 0.10 %
• Related Substance (Impurity B): ≤ 0.10 %
• Related Substance (Impurity F): ≤ 0.10 %
• Any other Impurity: ≤ 0.10 %
• Total impurities: ≤ 0.30 %
• Assay (Titration): 99.0 - 101.0 %
• Grade: USP
• Country of Origin: Report