Real Time and Accelerated Stability Studies of Testosterone Calibrators

Potency Claims - only as Accurate as your Reference Material. Challenges with unstable THC and related Cannabinoids

Impact of isomeric differences between internal standard and analyte for the LC-MS/MS quantification of 11-Nor-δ9-THC-9-carboxylic acid glucuronide

Selection of Internal Standards for LC-MS/MS Applications

Design and Synthesis of Labeled 2C-B-FLY and Bromo-DragonFLY for Internal Standards Used in Forensic/Clinical Toxicology Analysis

Regioselective Friedel-Crafts Type Acylation of Indoles: An Improvement on the Synthesis of Cannabimimetic Indole Metabolites

Synthetic and Analytical Challenges of Retigabine and N-Acetyl Retigabine

Analytical Reference Standards: Synthesis and Characterization of Cocaine N-oxide HCl

Synthesis of JHW-250 4-hydroxypentyl Metabolite

Variables that Impact Immunosuppressant LC-MS/MS Analysis

Accurate Reference Standards for Accurate Quantitation of Thyroid Hormones: Impact on Clinical Reference Ranges

Tadalafil: A Case Study for the Development of Stable Solution Reference Standards for Pharmaceutical Applications

Solution Reference Standards for Protein Based Pharmaceuticals

Design and Development Challenges of Natural Products Certified Reference Solutions

Challenges in the Development of Certified Vitamin Reference Solutions

Accelerated Stability Studies by High Performance Liquid Chromatography

Analytical Challenges with MS Analysis of Bath Salts and Spice Cannabinoid Metabolites

±threo-Ritalinic acid-D10 Hydrochloride an internal standard for quantitation of Ritalinic acid by LCMSMS: Synthesis determination of isotopic distribution by qNMR and LCMS

Evaluation of LCMSMS Deuterium Scrambling in Clinically Significant Small Molecules

Improved GCMS Derivatization Techniques for Analysis of New Designer Drugs: Methylone, Ethylone, Butylone, Mephedrone, and Methedrone

Certification of Reference Materials: Purity Analysis of Morphine-3β-D-Glucuronide by Quantitative NMR, Enzymatic Hydrolysis LC-MS/MS Assay, and Mass Balance Purity Factor

Analytical Reference Standards: Synthesis and Characterization of ±-threo-Ritalinic Acid-D₁₀ Hydrochloride

Everolimus-d4: An Internal Standard for Quantitation of Everolimus and Related Immunosuppressants by LCMS

Evaluation of LCMS/MS scrambling ratios for deuterium-labeled Vitamin D metabolites, steroids and other compounds of clinical significance

Mitigation of Deuterium Scrambling in Stable-Labeled Internal Standards during LC-MS/MS Analysis

High Quality, Certified Snap-N-Shoot Standards of Reb A & Stevia Impurities Ensure Accuracy & Consistency in Quantitative Applications

What Makes a Good Reference Standard

Custom Certified Stock Solutions for Use in Manufacture of IVD Reagents or Controls

Investigation of the Impurities in Dronabinol Samples by LCMS

Measurement and Uncertainty of Residual Inorganic Content by Micro-ROI Analysis for Certification of Reference Materials

High Quality, Certified Snap-N-Shoot^® Standards of Reb A and Stevia Impurities Ensure Accuracy and Consistency in Quantitative Applications

Certified Spiking Solutions^® of Immunosuppressant Drugs

A Validated Chiral HPLC Method for Resolution of &Δ;⁸ and &Δ;⁹ – Tetrahydrocannabinol Enantiomers

Validation of Residual Solvent Analysis in Neat Materials by GC/FID Headspace

Synthesis of 13C6-glucuronic Acid Drug Metabolites

Brominated Oxymorphone Impurities: Regioselective Synthesis & Characterization of 1-Bromo- & 2-Bromoxymorphone

An Investigation of Norpropoxyphene Cyclization in Methanol

Preparation and Uncertainty of Ethanol Standards

Certified Solution Standards for Clinical Applications

Preparation, Uncertainty & Certification of Ethanol Standards

Synthesis of CHMPA-D

Pharmaceutical Standards for Drinking Water Analysis

The Uncertainty of Reference Standards - A Guide to Understanding Factors Impacting Uncertainty, Uncertainty Calculations and Vendor Certifications

Certified Solution Standards for Therapeutic Drug Monitoring Applications