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2′-(4-Methylumbelliferyl)-α-D-N-acetylneuraminic acid sodium salt hydrate

Name: 2&#8242;-(4-Methylumbelliferyl)-&#945;-<SC>D</SC>-<I>N</I>-acetylneuraminic acid sodium salt hydrate
Brand: SIGMA

fluorogenic, ≥95% (HPLC), powder

Synonym(s):

4-Methylumbelliferyl-N-acetyl-α-D-neuraminic acid sodium salt hydrate

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About This Item

Empirical Formula (Hill Notation):

C₂₁H₂₄NNaO₁₁ · xH₂O

CAS Number:

76204-02-9

Molecular Weight:

489.41 (anhydrous basis)

UNSPSC Code:

12352204

PubChem Substance ID:

24897277

NACRES:

NA.32

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Properties

Product Name

2′-(4-Methylumbelliferyl)-α-D-N-acetylneuraminic acid sodium salt hydrate, ≥95% (HPLC)

Quality Segment

300

assay

≥95% (HPLC)

form

powder

solubility

water: 50 mg/mL, clear to slightly hazy, colorless to light yellow

storage temp.

−20°C

SMILES string

O.[H]C(O)(CO)[C@]([H])(O)[C@@H]1OC(C[C@H](O)[C@H]1NC(C)=O)(Oc2ccc3C(C)=CC(=O)Oc3c2)C(=O)O[Na]

InChI

1S/C21H25NO11.Na.H2O/c1-9-5-16(27)31-15-6-11(3-4-12(9)15)32-21(20(29)30)7-13(25)17(22-10(2)24)19(33-21)18(28)14(26)8-23;;/h3-6,13-14,17-19,23,25-26,28H,7-8H2,1-2H3,(H,22,24)(H,29,30);;1H2/q;+1;/p-1/t13-,14?,17+,18?,19+,21+;;/m0../s1

InChI key

NSQMRVBWXQQIKF-NVRWCLOTSA-M

Description

Biochem/physiol Actions

Substrate for fluorometric assay of neuraminidase. Used for fluorescent staining of sialidases in PAGE.

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Show Differences

1 of 1

This Item	68903	M9763	M7008
Sigma-Aldrich M8639 2′-(4-Methylumbelliferyl)-α-D-N-acetylneuraminic acid sodium salt hydrate	Sigma-Aldrich 68903 4-Methylumbelliferyl β-D-galactopyranoside-6-sulfate sodium salt	Sigma-Aldrich M9763 4-Methylumbelliferyl β-D-N,N′-diacetylchitobioside hydrate	Sigma-Aldrich M7008 4-Methylumbelliferyl-β-D-xylopyranoside
assay ≥95% (HPLC)	assay ≥90% (HPLC)	assay ≥98% (TLC)	assay ≥98% (HPLC)
solubility water: 50 mg/mL, clear to slightly hazy, colorless to light yellow	solubility -	solubility DMF: 9.80-10.20 mg/mL, clear, colorless to light yellow	solubility pyridine: 50 mg/mL, clear, colorless to faintly yellow
Quality Level 300	Quality Level 100	Quality Level 200	Quality Level 200
form powder	form powder	form powder	form powder
storage temp. −20°C	storage temp. −20°C	storage temp. −20°C	storage temp. −20°C

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Questions

Anonymous

2 years ago

Is it possible to reconstitute item M8639, 2′-(4-Methylumbelliferyl)-α-D-N-acetylneuraminic acid sodium salt hydrate, in distilled water?

1 answer
1. Technical Support
  
  2 years ago
  
  It is acceptable to reconstitute it in distilled water.
  
  Helpful?

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