D-Ile-Pro-Arg p-nitroanilide dihydrochloride
D-Ile-Pro-Arg p-nitroanilide dihydrochloride (CAS: 96323-41-0) is a chemical compound with the formula C23H36N8O5 · 2HCl and a molecular weight of 577.50. It functions as a chromogenic substrate, primarily used in biochemical and enzymatic assays. Supplied by Tech Serve Solutions, it is a valuable reagent for researchers investigating enzyme activity and related biological processes.

Chromogenic Substrate for Enzyme Assays
Utilised as a substrate to detect and quantify the activity of specific enzymes. Upon enzymatic cleavage, it releases a chromophore, allowing for spectrophotometric measurement of enzyme kinetics.
Biochemical Research Reagent
A key reagent in biochemical laboratories for studying enzyme mechanisms and developing new diagnostic tools. Its defined structure supports precise experimental outcomes.
Investigating Proteolytic Enzymes
Specifically useful for assays involving proteases that recognise the Ile-Pro-Arg sequence, enabling the study of enzyme specificity and inhibition.
| Molecular weight | 577.50 |
|---|---|
| Empirical formula | C23H36N8O5 · 2HCl |
| Assay | ≥95% (HPLC) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
- H361Suspected of damaging fertility or the unborn child
- H373May cause damage to organs through prolonged exposure
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-20/21/22-33-36/37/38 |
| Safety statements (S) | 28-36/37-45 |
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 D-Ile-Pro-Arg p-nitroanilide dihydrochloride used for?
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This compound is primarily used as a chromogenic substrate in biochemical assays to detect and quantify the activity of specific enzymes, particularly those recognising the Ile-Pro-Arg sequence.
What are the CAS number and chemical formula?
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The CAS number is 96323-41-0, and the chemical formula is C23H36N8O5 · 2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of ≥95% (HPLC). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should D-Ile-Pro-Arg p-nitroanilide dihydrochloride be handled safely?
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This compound is classified under GHS07 and GHS08 with a Warning signal word. It carries hazard statements H302, H312, H315, H319, H332, H335, H361, and H373, indicating potential harm if swallowed, in contact with skin, inhaled, or causing skin and eye irritation, respiratory irritation, and suspected long-term health effects. Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection (e.g., N100 respirator), must be used. Handle only in a well-ventilated area.
Is this product available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including D-Ile-Pro-Arg p-nitroanilide dihydrochloride.
How can I request a sample or quote?
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Please contact our sales team through the website or by phone to request a sample or a quotation for D-Ile-Pro-Arg p-nitroanilide dihydrochloride.
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