4-Nitrophenyl β-L-arabinopyranoside
4-Nitrophenyl β-L-arabinopyranoside (CAS 72732-54-8) is a chemical compound with the formula C11H13NO7 and a molecular weight of 271.22 g/mol. It functions as a chromogenic substrate for enzymatic assays, particularly in the study of glycosidases. This compound is a valuable reagent in biochemical research and molecular biology, aiding in the detection and quantification of specific enzyme activities.

Enzyme Activity Assays
Utilised as a chromogenic substrate to detect and quantify the activity of specific enzymes, such as glycosidases. Upon enzymatic hydrolysis, it releases a coloured product, enabling spectrophotometric analysis.
Biochemical Research
A key reagent in biochemical investigations, particularly within glycobiology and proteomics. It aids in understanding enzyme kinetics and mechanisms involved in post-translational modifications.
Molecular Biology Tool
Employed in molecular biology laboratories as a substrate for enzyme studies, contributing to research in gene expression and protein function analysis.
| Molecular weight | 271.22 |
|---|---|
| Empirical formula | C11H13NO7 |
| 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.
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-Nitrophenyl β-L-arabinopyranoside used for?
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4-Nitrophenyl β-L-arabinopyranoside is primarily used as a chromogenic substrate for the detection and quantification of enzyme activity, particularly glycosidases, in biochemical and molecular biology research.
What is the CAS number and formula for 4-Nitrophenyl β-L-arabinopyranoside?
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The CAS number for 4-Nitrophenyl β-L-arabinopyranoside is 72732-54-8, and its empirical formula is C11H13NO7.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Nitrophenyl β-L-arabinopyranoside as a research-grade chemical. We do not represent it as USP, BP, EP or for human/veterinary use.
What are the safety considerations for handling 4-Nitrophenyl β-L-arabinopyranoside?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The substance has a WGK Germany rating of 3, indicating it is hazardous to water.
How is 4-Nitrophenyl β-L-arabinopyranoside shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, providing this compound to researchers and laboratories worldwide, adhering to all relevant shipping and export regulations.
How can I request a sample or quote for 4-Nitrophenyl β-L-arabinopyranoside?
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To request a sample or a quotation, please contact our sales team through the TSS website or by phone. Our experts will assist you promptly.
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