A nucleotide sugar
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CMP-Sialic Acid (sodium salt)

Item No. 16404

Technical Information
Formal Name
N-acetyl-2-(hydrogen 5'-cytidylate)-β-neuraminic acid, monosodium salt
CAS Number
1007117-62-5
Synonyms
  • CMP-Neu5Ac
Molecular Formula
C20H30N4O16P • Na
Formula Weight
Purity
≥85%
A crystalline solid
PBS (pH 7.2): 10 mg/ml
λmax
274 nm
SMILES
O[C@H]1[C@@H](O)[C@H](N2C=CC(N)=NC2=O)O[C@@H]1COP(O[C@@]3(C(O)=O)C[C@H](O)[C@@H](NC(C)=O)[C@@]([C@H](O)[C@H](O)CO)([H])O3)([O-])=O.[Na+]
InChi Code
InChI=1S/C20H31N4O16P.Na/c1-7(26)22-12-8(27)4-20(18(32)33,39-16(12)13(29)9(28)5-25)40-41(35,36)37-6-10-14(30)15(31)17(38-10)24-3-2-11(21)23-19(24)34;/h2-3,8-10,12-17,25,27-31H,4-6H2,1H3,(H,22,26)(H,32,33)(H,35,36)(H2,21,23,34);/q;+1/p-1/t8-,9+,10+,12
InChi Key
VFRHSOGUONIUOR-HLZBELLTSA-M
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    CMP-Sialic acid is a form of the sugar N-acetylneuraminic acid (Neu5Ac) O-linked with the nucleotide cytidine-5’-monophosphate (CMP). In vertebrates, it is biosynthesized within the nucleus from CTP and Neu5Ac by CMP-sialic acid synthetases.1 Sialyltransferases transfer Neu5Ac from CMP-sialic acid to various acceptor substrates, most commonly at terminal positions of the oligosaccharide component of glycoproteins or glycolipids.2,3 Sialic acid-containing glycans at the cell surface play important roles in cell interactions and have roles in infection, inflammation, and cancer.3,4,5

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Münster-Kühnel, A.K., Tiralongo, J., Krapp, S., et alStructure and function of vertebrate CMP-sialic acid synthetases. Glycobiology 14(10), 43R-51R (2004).

    2. Tsuji, S. Molecular cloning and functional analysis of sialyltransferases. J. Biochem. 120(1), 1-13 (1996).

    3. Audry, M., Jeanneau, C., Imberty, A., et alCurrent trends in the structure-activity relationships of sialyltransferases. Glycobiology 21(6), 716-726 (2011).

    4. Hennet, T. From glycosylation disorders back to glycosylation: What have we learned? Biochim. Biophys. Acta 1792(9), 921-924 (2009).

    5. Samraj, A.N., Läubli, H., Varki, N., et alInvolvement of a non-human sialic acid in human cancer. Front. Oncol. 4, 33 (2014).