Name: 4-Methylumbelliferyl-β-D-Galactoside
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HIT ID:HIT107495188
Cas No:6160-78-7
常用名:4-Methylumbelliferyl-β-D-Galactoside
常用名:4-Methylumbelliferyl-β-D-Galactoside
IUPAC:4-methyl-7-{[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-2H-chromen-2-one
IUPAC:4-methyl-7-{[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-2H-chromen-2-one
InChI key:YUDPTGPSBJVHCN-DZQJYWQESA-N

分子式:C16H18O8
分子量:338.312
氢键供体数 (HBD):4
氢键受体数 (HBA):8
LogP:0.162
SMILES:Cc1cc(=O)oc2cc(O[C@@H]3O[C@H](CO)[C@H](O)[C@H](O)[C@H]3O)ccc12
SMILES:Cc1cc(=O)oc2cc(O[C@@H]3O[C@H](CO)[C@H](O)[C@H](O)[C@H]3O)ccc12

4-Methylumbelliferyl-β-D-galactoside (MUG) is a fluorogenic substrate for β-galactosidase (β-gal).1Hydrolysis of MUG by β-gal releases the fluorescent moiety 4-MU, which displays a pH-dependent excitation maximum of 330, 370, and 385 nm at pH 4.6, 7.4, and 10.4, respectively, and an emission maximum between 445-454 nm.2MUG has been used to detect β-gal activity in intact bacteria, yeast, and mammalian cells.1

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