4-Nitrophenyl valerate
4-Nitrophenyl valerate (CAS 1956-07-6, C11H13NO4) is a chemical compound with a molecular weight of 223.23 g/mol. It is recognised for its utility as a chromogen and enzyme substrate, particularly within biochemical and lipid research. Its chemical structure makes it suitable for applications involving enzymatic assays and the study of lipid metabolism. Tech Serve Solutions supplies this compound for research and development purposes.
- IUPAC
- Pentanoic acid 4-nitrophenyl ester

Enzyme Substrate
4-Nitrophenyl valerate serves as a chromogenic substrate for detecting enzyme activity, particularly esterases. Upon enzymatic hydrolysis, it releases 4-nitrophenol, which can be quantified spectrophotometrically.
Biochemical Research
This compound is utilised in biochemical investigations, aiding in the study of enzyme kinetics and mechanisms. Its use is relevant in understanding reactions involving acyl groups.
Chromogenic Assays
As a chromogen, 4-Nitrophenyl valerate is employed in assays where a colour change indicates the presence or activity of specific enzymes, facilitating quantitative analysis in various biological contexts.
Lipid Studies
Within lipid research, this compound can be used to probe enzymatic processes related to fatty acid esters and their hydrolysis.
| Molecular weight | 223.23 |
|---|---|
| Empirical formula | C11H13NO4 |
| 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 valerate used for?
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4-Nitrophenyl valerate is primarily used as a chromogenic substrate in enzyme assays, particularly for detecting esterase activity. It also finds application in biochemical research and studies related to lipids.
What is the CAS number and formula for 4-Nitrophenyl valerate?
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The CAS number for 4-Nitrophenyl valerate is 1956-07-6, and its empirical formula is C11H13NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Nitrophenyl valerate for research and development. The specific assay and purity information is available on the product's technical datasheet. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for 4-Nitrophenyl valerate?
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When handling 4-Nitrophenyl valerate, it is essential to use personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. This compound has a WGK Germany classification of 3, indicating it is hazardous to water.
How is 4-Nitrophenyl valerate packed and shipped?
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4-Nitrophenyl valerate is carefully packaged to ensure stability during transit and is exported globally by Tech Serve Solutions in compliance with international shipping regulations for chemical products.
How can I request a sample or quote for 4-Nitrophenyl valerate?
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To request a sample or a quotation for 4-Nitrophenyl valerate, please contact our sales department through the website or by calling our customer service line. Please specify the quantity required.
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