4-Methylumbelliferyl-beta-D-galactopyranoside, 97+%

Description

CAS: 6160-78-7 | C16H18O8 | 338.31 g/mol

It is a substrate used for fluorometric assay for β-galactosidase. It is used to detect E-coli n the fluorogenic medium.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
It is a substrate used for fluorometric assay for β-galactosidase. It is used to detect E-coli n the fluorogenic medium.

Solubility
Soluble in water.

Notes
Moisture sensitive. Store at -20°C. Keep away from oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 6160-78-7
• Molecular Formula: C16H18O8
• Molecular Weight (g/mol): 338.31
• MDL Number: MFCD00036773,MFCD00063694
• InChI Key: YUDPTGPSBJVHCN-DZQJYWQESA-N
• Synonym: 4-methylumbelliferyl-beta-d-galactopyranoside, 4-methylumbelliferyl-galactopyranoside, 4-methylumbelliferyl beta-d-galactoside, 4-methylumbelliferyl b-d-galactoside, muga, 4-methylumbelliferyl beta-galactoside, 7-beta-d-galactopyranosyloxy-4-methyl-2h-1-benzopyran-2-one, 4-methylumbelliferyl b-d-galactopyranoside, 4-methyl-7-2s,3r,4s,5r,6r-3,4,5-trihydroxy-6-hydroxymethyl tetrahydropyran-2-yl oxy-chromen-2-one, 4-methyl-7-2s,3r,4s,5r,6r-3,4,5-trihydroxy-6-hydroxymethyl oxan-2-yl oxy chromen-2-one
• PubChem CID: 93577
• IUPAC Name: 4-methyl-7-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-2-one
• SMILES: CC1=CC(=O)OC2=CC(O[C@@H]3O[C@H](CO)[C@H](O)[C@H](O)[C@H]3O)=CC=C12

• Melting Point: ∼260°C (decomposition)
• Quantity: 0.25 g
• Beilstein: 94673
• Sensitivity: Light sensitive
• Solubility Information: Soluble in water.
• Optical Rotation: −64° (c=1 in Pyridine, 24h)
• Formula Weight: 338.32
• Percent Purity: 98%
• Chemical Name or Material: 4-Methylumbelliferyl-beta-D-galactopyranoside

Safety and Handling

EINECSNumber	228-185-5
TSCA	No
Recommended Storage	Store at -20°C

SDS

RUO – Research Use Only