Description

Ammonium-15N Hydroxide is a stable isotope-labeled form of ammonium hydroxide, where the nitrogen atom is enriched with the 15N isotope. This product is essential for advanced research and analytical applications requiring precise isotopic tracing and quantification. It is a critical reagent for scientists and industries involved in metabolic studies, environmental analysis, and the development of labeled compounds.

Application

• Metabolic Pathway Tracing: Used as a nitrogen source in NMR spectroscopy and mass spectrometry studies to track biochemical pathways in plants, animals, and microorganisms.
• Environmental Science: Employed in research on nitrogen cycling, fertilizer uptake efficiency, and pollution studies in soil and aquatic systems.
• Pharmaceutical Research: Serves as a key precursor for synthesizing 15N-labeled active pharmaceutical ingredients (APIs) and intermediates for drug metabolism and pharmacokinetics (DMPK) studies.
• Analytical Chemistry: Acts as an internal standard or reagent in isotope dilution mass spectrometry (IDMS) for the accurate quantification of compounds in complex matrices.
• Agrochemical Development: Utilized in the research and development of labeled pesticides, herbicides, and fertilizers to study their environmental fate and efficacy.
• Nutritional Research: Applied in human and animal studies to investigate protein metabolism, amino acid turnover, and nutrient utilization.

Basic Information

Product Name	Ammonium-15N Hydroxide
CAS No.	62948-80-5
Molecular Formula	15NH4OH
Molecular Weight	35.05 g/mol
Synonyms	Ammonia-15N solution; 15N-Ammonium hydroxide; Ammonium hydroxide (15N); Aqua ammonia-15N; Azane-15N hydroxide; 15N Labeled ammonium hydroxide; Nitrogen-15 ammonium hydroxide; Stable isotope-labeled ammonia solution
EINECS	Contact for details

Quality Control

Our Ammonium-15N Hydroxide is produced under strict quality management protocols. Each batch is characterized to ensure high isotopic enrichment and chemical purity, with testing typically including assay, isotopic abundance by NMR or MS, and impurity profile analysis. Certificates of Analysis (COA) detailing all specifications are provided to guarantee traceability and consistency for your critical research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area, away from heat sources and incompatible materials such as strong acids and metals. Due to its highly volatile nature, ensure containers are securely sealed and upright. Recommended storage temperature is 2-8°C to maximize stability.

Specification

Item	Specification
Appearance	Colorless clear solution
Identification (IR/NMR)	Conforms
Assay (as NH3)	28.0 - 30.0 % w/w
Isotopic Enrichment (15N)	≥ 98 atom %
Chloride (Cl)	≤ 0.5 ppm
Sulfate (SO4)	≤ 1.0 ppm
Heavy Metals (as Pb)	≤ 0.5 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.