Ammonium-15N chloride
Ammonium-15N chloride (CAS 39466-62-1) is an isotopically labelled inorganic salt with the formula 15NH4Cl and a molecular weight of 54.48 g/mol. This compound, enriched to 98 atom % 15N, serves as a critical reagent in scientific research. Its primary applications are in metabolic studies, mass spectrometry, and NMR spectroscopy, where precise isotopic tracing is required for quantitative analysis and pathway elucidation.
- IUPAC
- 15N Labeled ammonium chloride

Metabolic Labeling
Ammonium-15N chloride is utilized in metabolic labeling studies to trace nitrogen incorporation into biological molecules. Researchers can track metabolic pathways and quantify nutrient flux in various biological systems.
Mass Spectrometry
As a stable isotope-labeled compound, it is invaluable in mass spectrometry for quantitative proteomics and metabolomics. It allows for accurate mass defect measurements, aiding in the identification and quantification of biomolecules.
NMR Spectroscopy
The 15N isotope provides a distinct signal in NMR spectroscopy, facilitating studies of protein structure, dynamics, and interactions. It is particularly useful for investigating nitrogen-containing biomolecules.
Biochemical Research
This labeled compound is a key tool for fundamental biochemical research, enabling detailed investigation into nitrogen metabolism and related biological processes.
| Molecular weight | 54.48 |
|---|---|
| Linear formula | 15NH4Cl |
| Melting point | 340 °C (subl.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Mol Wt | mol wt 54.47 by atom % calculation |
|---|---|
| Isotopic Purity | 98 atom % 15N |
| Mass Shift | M+1 |
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 Ammonium-15N chloride used for?
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Ammonium-15N chloride is primarily used in scientific research for metabolic labeling, mass spectrometry, NMR spectroscopy, and general biochemical studies requiring isotopic tracing of nitrogen.
What are the CAS number and chemical formula for Ammonium-15N chloride?
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The CAS number is 39466-62-1 and the chemical formula is 15NH4Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ammonium-15N chloride with an isotopic purity of 98 atom % 15N. This product is supplied for research and laboratory use and is not intended for USP, EP, BP, or any pharmacopoeia grade applications.
How should Ammonium-15N chloride be handled safely?
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Ammonium-15N chloride is harmful if swallowed and causes serious eye irritation. When handling, wear a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is Ammonium-15N chloride a controlled substance?
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Based on the provided data, Ammonium-15N chloride is not listed as a controlled or scheduled substance.
How is Ammonium-15N chloride packed and exported?
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Ammonium-15N chloride is classified under UN 3077, Class 9, Packing Group III for transport. Tech Serve Solutions can export this chemical globally, adhering to all relevant shipping regulations.
How can I request a quote or sample for Ammonium-15N chloride?
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To request a quote or sample of Ammonium-15N chloride, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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