4-Methylumbelliferyl beta-D-galactoside
Synonym(s):MUG;MUGA
- CAS NO.：6160-78-7
- Empirical Formula: C16H18O8
- Molecular Weight: 338.31
- MDL number: MFCD00036773
- EINECS: 228-185-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-03-15 20:18:04
What is 4-Methylumbelliferyl beta-D-galactoside?
Description
4-MUG (6160-78-7) is a versatile fluorogenic substrate for ?-galactosidase1 for use in cell extracts or purified enzyme preparations.1-3? This substrate produces a water soluble blue fluorescent coumarin fluorophore. Ex: 342 nm; Em: 441 nm
Chemical properties
White Powder
The Uses of 4-Methylumbelliferyl beta-D-galactoside
Substrate for fluorometric assay of ?-D-galactosidase
The Uses of 4-Methylumbelliferyl beta-D-galactoside
It is a substrate used for fluorometric assay for β-galactosidase. It is used to detect E-coli n the fluorogenic medium.
What are the applications of Application
4-Methylumbelliferyl β-D-galactopyranoside is a fluorescent substrate for b-galactosidase
Definition
ChEBI: A beta-D-galactoside having a 4-methylumbelliferyl substituent at the anomeric position.
References
Chiu et al. (2017), Measuring ?-Galactosidase Activity in Gram-Positive Bacteria Using a Whole-Cell Assay with MUG as a Fluorescent Reporter; Curr. Protoc. Toxicol., Supp 74 4.44.1 Kytidou et al. (2018), Nicotiana benthamiana α-galactosidase A1,1 can functionally complement human α-galactosidase A deficiency associated with Fabry disease; J. Biol. Chem., 293 10042 Hernandez-Guzman et al. (2016), Purification and characterization of an extracellular ?-glucosidase from Sporothrix schenckii; FEBS Open Bio., 6 1067
Properties of 4-Methylumbelliferyl beta-D-galactoside
| Melting point: | 258-263 °C (dec.) |
| Boiling point: | 626.9±55.0 °C(Predicted) |
| alpha | -64 º (c=1, pyridine, after) |
| Density | 1.522±0.06 g/cm3(Predicted) |
| storage temp. | -20°C |
| solubility | Soluble in DMSO (40 mg/ml) |
| form | Powder |
| pka | 12.73±0.70(Predicted) |
| color | White to slightly off-white |
| Water Solubility | soluble |
| Sensitive | Moisture Sensitive & Hygroscopic |
| BRN | 94673 |
| Stability: | Stable for 2 years from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 1 month. |
| CAS DataBase Reference | 6160-78-7(CAS DataBase Reference) |
Safety information for 4-Methylumbelliferyl beta-D-galactoside
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 4-Methylumbelliferyl beta-D-galactoside
4-Methylumbelliferyl beta-D-galactoside manufacturer
Siri Organics
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