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489-46-3

489-46-3 structural image
Product Name: O-Sialic acid
Formula: C11H19NO9
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description White crystals; [Sigma-Aldrich MSDS]
Melting Point 186 °C
Collision Cross Section 166.6 Ų [M+Na]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Chemical Classes Biological Agents -> Monosaccharides and Derivatives

COMPUTED DESCRIPTORS

Molecular Weight 309.27 g/mol
XLogP3 -3.5
Hydrogen Bond Donor Count 7
Hydrogen Bond Acceptor Count 9
Rotatable Bond Count 5
Exact Mass 309.10598118 g/mol
Monoisotopic Mass 309.10598118 g/mol
Topological Polar Surface Area 177 Ų
Heavy Atom Count 21
Formal Charge 0
Complexity 403
Isotope Atom Count 0
Defined Atom Stereocenter Count 6
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

N-acetyl-beta-neuraminic acid is n-Acetylneuraminic acid with beta configuration at the anomeric centre. It has a role as an epitope. It is functionally related to a beta-neuraminic acid. It is a conjugate acid of a N-acetyl-beta-neuraminate.