Chloramphenicol USP 25 g – AFG Scientific Analytical Reference Standard

Chloramphenicol USP is a chemical reference standard supplied in a 25 g package with a purity range of 97.0-103.0% and USP grade certification. This compound with CAS Number 56-75-7 appears as a yellowish-white crystalline powder and is utilized as a reference standard in analytical laboratories and microbiology research.

Manufactured by AFG Scientific, this product possesses the molecular formula C11H12Cl2N2O5 and a molecular weight of 323.13 g/mol. It is characterized by a melting point of 149-153°C and specified optical rotation values, which facilitate verification of product identity. Its room temperature stability simplifies laboratory storage conditions.

USP grade designation indicates conformity to United States Pharmacopeia standards, which is particularly important for pharmaceutical analysis and quality control laboratories. Known by the synonym Chloromycetin, this substance provides a reliable reference point for antibiotic susceptibility testing and related analytical applications.

Technical Specifications

Applications

• Use as analytical reference standard
• Microbiology and antibiotic susceptibility testing
• Pharmaceutical quality control analysis