(±)-Cotinine-d3 (CRM) – 100µg/mL | SKU: 40378-100UG

(±)-Cotinine-d3 is a deuterium-labeled certified reference material (CRM) designed for use as an internal standard in quantitative analytical applications. This isotopically labeled analog of cotinine—the primary metabolite of nicotine—is essential for clinical, forensic, and research laboratories performing tobacco exposure assessments, biomarker quantification, and pharmacokinetic studies using LC-MS/MS or GC-MS methodologies.

• Concentration: 100µg/mL, precisely formulated for analytical accuracy
• Certified Reference Material (CRM): Manufactured to meet ISO 17034 standards with full traceability and certificate of analysis
• Deuterium-Labeled (d3): Three deuterium atoms provide optimal mass shift for reliable internal standardization in mass spectrometry
• Application: Ideal for quantifying cotinine levels in biological matrices including urine, serum, plasma, and saliva
• Racemic Mixture: Contains both enantiomers (±) for comprehensive analytical coverage
• Quality Assured: Supplied with detailed certificate of analysis documenting purity, concentration, and uncertainty values