4-Methylumbelliferyl-β-D-xylopyranoside
4-Methylumbelliferyl-β-D-xylopyranoside (CAS: 6734-33-4, C15H16O7) is a fluorescent substrate used in biochemical research. This compound is specifically designed to detect and quantify enzymatic activity, particularly by glycosidases that cleave xylosidic bonds. Its fluorescent properties allow for sensitive detection in various biological assays, making it a valuable tool in glycobiology and proteomics research for understanding enzyme kinetics and substrate specificity.
- IUPAC
- 4-Methylumbelliferyl β-D-xyloside

Enzyme Activity Assays
Utilised as a fluorogenic substrate for the detection and quantification of glycosidase activity. Upon enzymatic cleavage, it releases fluorescent 4-methylumbelliferone, enabling sensitive measurements in biochemical and cell-based assays.
Glycobiology Research
A key reagent in the study of carbohydrates and their metabolism. It aids in characterising enzymes involved in the synthesis or degradation of xylans and other complex carbohydrates.
Proteomics and Post-Translational Modifications
Employed in studies investigating protein glycosylation and other post-translational modifications. It can help identify and characterise enzymes that interact with or modify xylose residues on proteins.
Diagnostic and Screening Tools
Potential application in developing diagnostic tools or high-throughput screening assays for enzyme deficiencies or inhibitors. The fluorescent readout facilitates rapid screening.
| Molecular weight | 308.28 |
|---|---|
| Empirical formula | C15H16O7 |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality Level | PREMIUM |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Methylumbelliferyl-β-D-xylopyranoside used for?
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4-Methylumbelliferyl-β-D-xylopyranoside is primarily used as a fluorescent enzyme substrate for detecting and quantifying glycosidase activity, particularly enzymes that cleave xylosidic bonds, in biochemical and biological research.
What are the CAS number and molecular formula for 4-Methylumbelliferyl-β-D-xylopyranoside?
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The CAS number is 6734-33-4 and the molecular formula is C15H16O7.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product at a PREMIUM quality level. We do not represent it as USP, BP, EP, or for use in nutraceutical, food, or pharmaceutical applications unless explicitly stated otherwise in the product specifications.
What are the safety considerations for handling 4-Methylumbelliferyl-β-D-xylopyranoside?
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Based on available data, this compound has a WGK Germany rating of 3, indicating it is hazardous to water. Appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, should be used during handling.
How is 4-Methylumbelliferyl-β-D-xylopyranoside shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. This product is stored at -20°C and is carefully packaged and exported in compliance with all relevant regulations to ensure safe and timely delivery worldwide.
How can I request a sample or quote for 4-Methylumbelliferyl-β-D-xylopyranoside?
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Please contact our sales team via the website or direct email to request a sample or a comprehensive quote for 4-Methylumbelliferyl-β-D-xylopyranoside.
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