040-000-280 N-Acetylneuraminic Acid, CAS 131-48-6

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Synonyms 5-Acetamido-3,5-dideoxy-D-glycero-D-galactononulosonic acid, Lactaminic acid, NAN, NANA, Sialic acid
Grade standard Food grade, medicine grade
Key words Antibiotic and antimicrobia agents
Related products Neu5Acα(2-3)Galβ(1-4)GlcNAc-β-pNP


Specifications of N-Acetylneuraminic Acid

Product Name Sialic Acid
CAS Registry Number 131-48-6
Molecular Formula C11H19NO9
Molecular Weight 309.24
Purity 99%
Appearance White powder
Shelf life 2 years
Functions Maintain the function of the cell surface, and help with the development of the neural system of infants

Description of N-Acetylneuraminic Acid

N-Acetylneuraminic acid is often found as the terminal sugar of cell surface glycoproteins. Salic acids are nine-carbon carbohydrate α-keto acids that have many important biological functions, including cell-cell recognition and host-pathogen interactions. N-Acetylneuraminic acid (NANA) is the most abundant sialic acid and is found in bacteria as well as in eukaryotic cells. The pathways for NANA synthesis and metabolism in bacteria differ from those used in eukaryotic cells. This sialic acid is an essential component of human brain gangliosides and sialylated glycoproteins.

N-Acetylneuraminic acid

Applications of N-Acetylneuraminic Acid

  • Foods and beverages
  • Organic synthesis
  • Medical research


  1. Methods Enzymol., 5, 391 (1962), Biochemistry, 18, 2086 (1979)