Grade:ULTRA PURE GRADECAS Number:4800-94-6Description:A penicillin derivative that inhibits cell wall synthesis in gram-negative and gram-positive bacteria. Recommended working concentration: 0.1-30 µg/ml.Synonym(s): a-Carboxybenzylpenicillin, a-phenyl (carboxymethylpenicillin), disodium saltMolecular Weight: 422.4Molecular Formula: C17H16N2O6SNa2Storage Condition: COLDRisk Statements: 42/43 Safety Statements: 36/37/39