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4-Methylumbelliferyl α-D-galactopyranoside

SIGMA/M7633 - ≥98% (TLC)

Synonym: MU-alpha-GAL

CAS Number: 38597-12-5
Empirical Formula (Hill Notation): C16H18O8
Molecular Weight: 338.31
EC Number: 254-031-1
MDL Number: MFCD00063278
Linear Formula: C16H18O8
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-M7633-25MG 25 mg
 $219.00
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45-M7633-100MG 100 mg
 $543.00
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45-M7633-250MG 250 mg
 $1090.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: M7633-100MG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: M7633-250MG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: M7633-25MG

 

assay ≥98% (TLC)
fluorescence λex 317 nm; λem 374 nm (pH 9.1)
  λex 360 nm; λem 449 nm (Reaction product)
form powder
InChI 1S/C16H18O8/c1-7-4-12(18)23-10-5-8(2-3-9(7)10)22-16-15(21)14(20)13(19)11(6-17)24-16/h2-5,11,13-17,19-21H,6H2,1H3/t11-,13+,14+,15-,16+/m1/s1
InChI key YUDPTGPSBJVHCN-CHUNWDLHSA-N
Quality Level 200 
SMILES string CC1=CC(=O)Oc2cc(O[C@H]3O[C@H](CO)[C@H](O)[C@H](O)[C@H]3O)ccc12
solubility water: 50 mg/mL, clear, colorless to very faintly yellow
storage temp. −20°C
Application: 4-Methylumbelliferyl α-D-galactopyranoside has been used as an artificial substrate to assay α-galactosidase-A activity.
Biochem/physiol Actions: 4-Methylumbelliferyl α-D-galactopyranoside is a fluorogenic substrate for α-galactosidase-A. The enzyme converts the substrate to form a blue fluorescent product, methylumbelliferyl. The fluorescence is measured spectrophotometrically.
Packaging: 25, 100, 250 mg in poly bottle
Preparation Note: 4-Methylumbelliferyl α-D-galactopyranoside is soluble in water (50 mg/ml), yielding a clear, colorless to faint yellow solution with the application of heat.
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥98% (TLC)
Storage Temp. −20°C
UNSPSC 12352204

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