4-Nitrophenyl stearate
4-Nitrophenyl stearate (CAS: 14617-86-8) is a chemical compound with the formula C24H39NO4 and a molecular weight of 405.57 g/mol. It serves as a valuable chromogenic substrate in biochemical research, particularly for the detection of esterase activity. Its structure, combining a nitrophenyl group with a long stearoyl chain, makes it suitable for applications involving lipid metabolism studies and enzyme kinetics.
- IUPAC
- 4-Nitrophenyl octadecanoate,Octadecanoic acid 4-nitrophenyl ester
- Synonyms
- 4-Nitrophenyl octadecanoateOctadecanoic acid 4-nitrophenyl ester

Enzyme Substrate
Utilised as a chromogenic substrate for detecting esterase and lipase activity. Upon enzymatic hydrolysis, it releases 4-nitrophenol, which can be quantified spectrophotometrically, enabling enzyme activity assays.
Biochemical Research
A reagent used in various biochemical investigations, particularly those focused on lipidomics and the study of enzymes involved in fatty acid metabolism. Its defined structure aids in mechanistic studies.
Chromogenic Reagent
Functions as a chromogen in assay development, providing a detectable colour change upon reaction with specific enzymes. This facilitates sensitive detection and quantification in biological samples.
| Molecular weight | 405.57 |
|---|---|
| Empirical formula | C24H39NO4 |
| Storage temperature | −20°C |

Hazard statements
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 43 |
| Safety statements (S) | 36/37 |
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 stearate used for?
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4-Nitrophenyl stearate is primarily used as a chromogenic substrate for the detection and assay of esterase and lipase activity in biochemical research and diagnostics.
What are the CAS number and formula for 4-Nitrophenyl stearate?
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The CAS number for 4-Nitrophenyl stearate is 14617-86-8, and its empirical formula is C24H39NO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Nitrophenyl stearate with a purity typically determined by its specific assay. For detailed information on the grade and purity of a particular batch, please refer to the Certificate of Analysis or contact our sales team. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions when handling 4-Nitrophenyl stearate?
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4-Nitrophenyl stearate is classified as a Warning substance (GHS07). It may cause an allergic skin reaction (H317). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves. Ensure adequate ventilation and avoid dust formation (P280).
How is 4-Nitrophenyl stearate typically shipped and exported?
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4-Nitrophenyl stearate is carefully packaged for safe transport and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a quote or sample?
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To request a quote or a sample of 4-Nitrophenyl stearate, please visit the product page on our website or contact our dedicated customer service team directly.
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