Description

Carbon Dioxide (13C; 18O2) is a stable isotope-labeled form of carbon dioxide, specifically enriched with carbon-13 and oxygen-18. This compound is essential for advanced analytical research, providing a critical tracer molecule for studying metabolic pathways, environmental processes, and chemical reaction mechanisms. It is primarily utilized by research institutions, pharmaceutical development labs, and environmental science organizations requiring precise isotopic labeling for mass spectrometry, NMR spectroscopy, and tracer studies.

Application

• Metabolic Pathway Tracing: Used as a labeled substrate in biochemical research to track carbon and oxygen flux in cellular respiration, photosynthesis, and other metabolic processes.
• Environmental & Geochemical Studies: Employed as a tracer in studies of carbon cycling, ocean acidification, and atmospheric CO2 exchange to understand global climate dynamics.
• Pharmaceutical Research & Drug Metabolism: Serves as a key reagent in the synthesis of isotopically labeled compounds and in ADME (Absorption, Distribution, Metabolism, and Excretion) studies using mass spectrometry.
• Analytical Chemistry Standards: Acts as a calibration standard and reference gas in isotope ratio mass spectrometry (IRMS) and other high-precision analytical techniques.
• Chemical Reaction Mechanism Studies: Utilized to elucidate reaction pathways and kinetics in catalytic processes and organic synthesis where CO2 is a reactant or product.

Basic Information

Item	Details
Product Name	Carbon Dioxide (13C; 18O2)
CAS No.	2684-00-6
Molecular Formula	13C18O2
Molecular Weight	48.00 g/mol
Synonyms	Carbon-13C Dioxide; Oxygen-18O2 Carbon Dioxide; 13C-Labeled Carbon Dioxide; 18O-Labeled Carbon Dioxide; Doubly Labeled Carbon Dioxide; [13C]Carbon Dioxide; Carbon Dioxide-13C,18O2; Isotopic Carbon Dioxide
EINECS	Contact for details

Quality Control

Our Carbon Dioxide (13C; 18O2) is produced and handled under stringent quality protocols to ensure isotopic purity and chemical integrity. Each batch is analyzed to confirm isotopic enrichment levels and the absence of contaminants. Certificates of Analysis (COA) detailing isotopic purity (atom % 13C and 18O), chemical purity, and analytical methods (e.g., GC-MS, IRMS) are provided. We adhere to relevant standards for research-grade chemicals to ensure consistency and reliability for your critical applications.

Storage

Preserve in a tightly closed, appropriately rated gas cylinder or container at room temperature (15-25°C). Store in a well-ventilated area, away from heat sources and incompatible materials. As a gaseous product, ensure cylinder valves are securely closed when not in use and that containers are protected from physical damage.

Specification

Item	Specification
Appearance	Colorless Gas
Isotopic Purity (13C)	≥ 99 atom %
Isotopic Purity (18O)	≥ 97 atom %
Chemical Purity (CO2)	≥ 99.9%
Identification (IR)	Conforms
Assay (GC)	Conforms

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