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Product name: N-Acetylneuraminic acid
Chemical name: 5-amino-1H-pyrazole-3-carboxylate methyl ester
Molecular formula: C₁₁H₁₉NO₉
Molecular weight: 309.27
CAS No.: 131-48-6
Molecular structural formula:
Packing specification: Inside polyethylene film bag, outside 25kg paper bucket.
Storage: Dark and ventilated place, warranty period is 24 months from the date of manufacture if stored in a dry place (10-30°C).
Quality Standard:

Sr.No	Items	Specification
1	Appearance	A white to off-white powder
2	Specific Rotation	-30.0°～ -34.0°
3	Loss on Drying	≤1.0%
4	Heavy metals (Pb)	≤10ppm
5	Residue on ignition	≤0.5%
6	Melting point	184°C – 192℃
7	Assay	≥98.0%

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Uses and effects: N-Acetylneuraminic acid, also known as sialic acid, is a naturally occurring carbohydrate. Sialic acid plays an important role in the normal development of brain function in children. It is widely used in milk powder and nutrition during and after pregnancy.