Identification M.F.: C11H19NO9 M.W.: 309.3 CAS Number: 131-48-6 Identification M.F.: C11H19NO9 M.W.: 309.3 CAS Number: 131-48-6Specification: Appearance: white to off-white powder Assay (HPLC): 98%min. Solubility: 50mg/ml, clear colorless solution Melting point: 184 --192'C Optical rotation (20/D): -29.1+/-2' (C=0.5%, H2O) IR Spectrum: consistent with structure H NMR Spectrum: consistent with structure Package: 1g, 10g, 100g, 1Kg, 10Kg, Bulk Storage: Store tightly sealed in dark and on desiccated condition below 5'C for atleast one year. Hygroscopic. Frozen at -20'C , this product is stable for 2 yearsas supplied.

N-Acetylneuraminic Acid