Description

Ammonium-15N Sulfate is a stable isotope-labeled compound where the nitrogen atoms are enriched with the 15N isotope. This product is essential for researchers and industries requiring precise isotopic tracing in metabolic, environmental, and agricultural studies. It serves as a critical nitrogen source in labeled fertilizer research, soil science, and proteomics. The compound is supplied with high isotopic enrichment and chemical purity to ensure reliable and reproducible experimental results.

Application

• Isotopic Tracer Studies: Used as a labeled nitrogen source in metabolic pathway analysis, protein turnover studies, and nitrogen cycle research in environmental science.
• Agricultural Research: Employed in the development and evaluation of nitrogen-efficient fertilizers, studying plant nutrient uptake, and soil nitrogen dynamics.
• Analytical Chemistry Standard: Serves as an internal standard or reference material in mass spectrometry (MS) and nuclear magnetic resonance (NMR) spectroscopy for quantitative analysis.
• Pharmaceutical & Biomedical Research: Utilized in drug metabolism studies, pharmacokinetics, and the synthesis of labeled active pharmaceutical ingredients (APIs).
• Environmental Fate Studies: Applied to trace and quantify the movement and transformation of nitrogen compounds in ecosystems and water treatment processes.

Basic Information

Product Name	Ammonium-15N Sulfate
CAS No.	43086-58-4
Molecular Formula	15NH42SO4 or (15NH4)2SO4
Molecular Weight	134.11 g/mol
Synonyms	Ammonium sulfate-15N2; Diammonium sulfate-15N2; Sulfuric acid, diammonium salt-15N2; (15N)Ammonium sulfate; 15N-labeled ammonium sulfate; Ammonium sulfate (15NH4)2SO4; AS-15N; Stable isotope-labeled ammonium sulfate
EINECS	Contact for details

Quality Control

Our Ammonium-15N Sulfate is manufactured under controlled conditions to ensure high chemical and isotopic purity. Each batch undergoes rigorous analytical testing, including isotopic enrichment analysis by mass spectrometry and chemical purity assessment. We provide a comprehensive Certificate of Analysis (COA) detailing isotopic purity (atom % 15N), chemical assay, and impurity profiles. Our quality system supports compliance with relevant standards for research and industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0%
Isotopic Purity (atom % 15N)	≥ 98%
pH (5% solution)	4.5 - 6.0
Heavy Metals (as Pb)	≤ 10 ppm
Chloride (Cl)	≤ 50 ppm
Loss on Drying	≤ 0.5%

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