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27698

Sigma-Aldrich

Colominic acid sodium salt from Escherichia coli

≥95% (NANA Sodium salt)

Synonym(s):

Poly[2,8-(N-acetylneuraminic acid sodium salt)]

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About This Item

Linear Formula:
(C11H16NNaO8)n
CAS Number:
70431-34-4
MDL number:
MFCD00133197
UNSPSC Code:
12352201
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Assay

≥95% (NANA Sodium salt)

optical activity

[α]20/D +15.5±1.0°, c = 2.5% in H2O

solubility

H2O: 25 mg/mL at 20 °C, clear, colorless

antibiotic activity spectrum

viruses

storage temp.

2-8°C

InChI

1S/C11H20NO7.3Na/c1-6(15)12-10-7(16)4-9(18-3-2-13)19-11(10)8(17)5-14;;;/h3,7-11,13-14,16-17H,2,4-5H2,1H3,(H,12,15);;;/q;3*+1

InChI key

IPYNPWIUCZLARC-UHFFFAOYSA-N

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Other Notes

Substrate for the assay of polysialic acid depolymerase[1]; Assay of α-2#8594;8 sialidase[2]; Structure and chemistry of colominic acid[3]

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S. Okada et al.
Perspect. Inherited Metab. Dis. 1980, 4, 145-145 (1981)
THE STRUCTURE AND CHEMISTRY OF COLOMINIC ACID.
E J MCGUIRE et al.
Biochemistry, 3, 247-251 (1964-02-01)
Polysialic acid depolymerase.
B Kwiatkowski et al.
Methods in enzymology, 138, 786-792 (1987-01-01)

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