O-(4-Nitrophenylphosphoryl)choline
O-(4-Nitrophenylphosphoryl)choline (CAS 21064-69-7, C11H17N2O6P) is a chemical compound with a molecular weight of 304.24 g/mol. It functions primarily as a substrate in biochemical research, particularly for enzymes such as Phospholipase C. This reagent is supplied by Tech Serve Solutions for laboratory and research applications, adhering to stringent quality standards for reliable experimental outcomes.
- IUPAC
- p-Nitrophenylphosphorylcholine,NPCC,Phosphocholine 4-nitrophenyl ester
- Synonyms
- p-Nitrophenylphosphorylcholine, NPCC, Phosphocholine 4-nitrophenyl ester

Enzyme Substrate
This compound serves as a chromogenic substrate for the enzymatic determination of phospholipase C activity. Hydrolysis by the enzyme releases p-nitrophenol, which can be quantified spectrophotometrically.
Biochemical Research
Utilised in various biochemical and enzymatic assays to study enzyme kinetics and mechanisms. Its specific structure makes it valuable for investigating enzyme specificity and inhibition.
Diagnostic Assays
Can be incorporated into diagnostic kits for the detection and quantification of specific enzyme activities relevant to biological or clinical research.
| Molecular weight | 304.24 |
|---|---|
| Empirical formula | C11H17N2O6P |
| 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 O-(4-Nitrophenylphosphoryl)choline used for?
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O-(4-Nitrophenylphosphoryl)choline is primarily used as a chromogenic substrate for the enzymatic assay of phospholipase C activity and in general biochemical research.
What is the CAS number and formula for O-(4-Nitrophenylphosphoryl)choline?
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The CAS number is 21064-69-7, and the empirical formula (Hill notation) is C11H17N2O6P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-(4-Nitrophenylphosphoryl)choline for research purposes. Specific purity and assay details are available on the product's Certificate of Analysis. It is not supplied as USP, BP, or EP grade.
How should O-(4-Nitrophenylphosphoryl)choline be handled and stored?
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Handle with appropriate personal protective equipment including eyeshields and gloves. A type N95 respirator filter is recommended. Store at -20°C to maintain stability.
Is O-(4-Nitrophenylphosphoryl)choline a hazardous substance?
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According to the provided safety data, this compound has a WGK Germany rating of 3, indicating it is hazardous to water. Appropriate safety precautions must be observed during handling and disposal.
How is O-(4-Nitrophenylphosphoryl)choline packed and exported?
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O-(4-Nitrophenylphosphoryl)choline is carefully packed to ensure stability during transit and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for O-(4-Nitrophenylphosphoryl)choline?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales department through the website or by phone, referencing product CAS 21064-69-7.
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