L-Carnosine Name: L-Carnosine CAS No.: 305-84-0 Assay: 98.0%by HPLC Molecular Formula:  C9H14N4O3 Molecular Weight: 226.23 Melting Point: 215-216°C Items Specification Appearance White   powder Color White   to almost white Smell Characteristic Identification(IR) Must   comply Specific   rotation +20.0   ~+22.0° Heavy   metals ≤10ppm Loss   on drying ≤1.0% Hydrazine   content Negative Particle   Size 100%   …