Home Categories 4-Methylumbelliferyl 2-acetamido-2-deoxy-a-D-galactopyranoside
LN124889

4-Methylumbelliferyl 2-acetamido-2-deoxy-a-D-galactopyranoside , ≥95% , 124223-99-0

CAS NO.:124223-99-0

Empirical Formula: C18H21NO8

Molecular Weight:

MDL number: MFCD00270047

Pack Size Price Stock Quantity
5mg RMB2134.40 In Stock
10mg RMB3131.20 In Stock
25mg RMB5983.20 In Stock
50mg RMB8676.80 In Stock
100mg RMB14064.00 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 257-260°C
Boiling point: 732.2±60.0 °C(Predicted)
Density  1.47±0.1 g/cm3(Predicted)
storage temp.  -20°C Freezer
solubility  DMSO (Slightly), Methanol (Slightly, Heated)
form  Solid
pka 12.87±0.70(Predicted)
color  White to Off-White

Description and Uses

4-Methylumbelliferyl 2-acetoamido-2-deoxy-α-D-galactopyranoside (4-MU-2-acetoamido-2-deoxy-α-Gal) is a fluorogenic substrate used to quantify α- and β-galactopyranosaminidase activity. 4-MU-2-acetoamido-2-deoxy-α-Gal is cleaved by α- and β-galactopyranosaminidase to release the fluorescent moiety 4-MU. 4-MU fluorescence is pH-dependent with excitation maxima of 320 and 360 nm at low (1.97-6.72) and high (7.12-10.3) pH, respectively, and an emission maximum ranging from 445 to 455 nM, increasing as pH decreases.

An effective substrate for the detection of N-acetyl-a-D-Galactopyranosiaminidase activity. The deficiency of this enzyme is the defect in Schindler disease

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