L-Glutamic acid γ-(3-carboxy-4-nitroanilide) ammonium salt
L-Glutamic acid γ-(3-carboxy-4-nitroanilide) ammonium salt (CAS: 63699-78-5) is a biochemical reagent with the molecular formula C12H12N3O7NH4 and a molecular weight of 328.28. This compound serves primarily as a substrate in biochemical research, particularly for enzymatic assays. Its specific chemical structure allows it to be utilized in studies involving enzyme kinetics and characterisation, especially those focused on glutamyltransferase activity.
- IUPAC
- L-Glutamic acid 5-(3-carboxy-4-nitroanilide) ammonium salt

Enzymatic Assays
Utilised as a chromogenic substrate for the detection and quantification of enzyme activity, particularly gamma-glutamyltransferase (GGT).
Biochemical Research
A key reagent in research settings for studying enzyme mechanisms, kinetics, and for screening enzyme inhibitors.
Diagnostic Tool Development
Serves as a foundational component in the development of diagnostic assays and kits for various biological markers.
| Molecular weight | 328.28 |
|---|---|
| Linear formula | C12H12N3O7NH4 |
| Assay | ≥98% (TLC) |
| Storage temperature | 2-8°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 L-Glutamic acid γ-(3-carboxy-4-nitroanilide) ammonium salt used for?
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This compound is primarily used as a chromogenic substrate in biochemical research and enzymatic assays, particularly for studying gamma-glutamyltransferase (GGT) activity.
What is the CAS number and chemical formula for this product?
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The CAS number is 63699-78-5, and the chemical formula is C12H12N3O7NH4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with a purity of ≥98% (TLC). We do not represent it as USP, BP, EP, or pharmacopoeia grade.
How should L-Glutamic acid γ-(3-carboxy-4-nitroanilide) ammonium salt be handled?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, as indicated by its WGK Germany classification of 3.
How is this chemical packed, shipped, and exported?
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This chemical is typically stored at 2-8°C. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring compliant packing and export procedures.
How can I request a sample or quote?
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Please contact our sales team directly through our website or by phone to request a sample or a detailed quotation for L-Glutamic acid γ-(3-carboxy-4-nitroanilide) ammonium salt.
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