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Merck
CN

474422

4-Methylumbelliferyl-α-D-galactopyranoside

≥98% (HPLC), α-D-galactosidase substrate, solid

Synonym(s):

4-Methylumbelliferyl-α-D-galactopyranoside, 4-MU-α-D-Gal

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About This Item

Empirical Formula (Hill Notation):
C16H18O8
CAS Number:
38597-12-5
Molecular Weight:
338.31
UNSPSC Code:
12352200
NACRES:
NA.77
MDL number:
MFCD00063278

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Product Name

4-Methylumbelliferyl-α-D-galactopyranoside, Substrate for the fluorogenic assay of α-D-galactosidase.

SMILES string

O1C(C(C(C(C1CO)O)O)O)Oc2cc3[o][c](cc(c3cc2)C)=O

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

InChI key

YUDPTGPSBJVHCN-UHFFFAOYSA-N

assay

≥98% (HPLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
desiccated
protect from light

impurities

≤100 ppm 4-methylumbelliferone

color

white to off-white

solubility

DMF: 50 mg/mL

fluorescence

λex 360 nm
λem 440 nm

shipped in

ambient

storage temp.

−20°C

Quality Level

100

Related Categories

Disclaimer

Toxicity: Standard Handling (A)

General description

Substrate for the fluorogenic assay of α-D-galactosidase. Excitation maximum: ~360 nm; Emission maximum: ~440 nm.

Preparation Note

Unstable in solution; reconstitute just prior to use. Solubilization in DMF is preferred, as background fluorescence will increase if solubilized in H₂O.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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