Our paraben lineup has expanded to include methylparaben, propylparaben, ethylparaben, and butylparaben, supporting the compounds cosmetic, personal care, and pharmaceutical laboratories monitor most. Ready for HPLC and LC-MS workflows, from system suitability to routine quality control.
Glucose, fructose, sucrose, lactose, and more are now available for food, beverage, fermentation, and research laboratories supporting method validation, calibration, and routine quality control.
Individual standards and custom mixtures containing methanol, ethanol, acetone, acetonitrile, toluene, and other commonly monitored solvents are now available for USP and ICH Q3C testing by GC and GC-MS.
Phosphatidylethanol 16:0/18:2 (PEth 16:0/18:2), part number 30000, is a new direct alcohol biomarker standard for clinical, forensic, and toxicology laboratories performing LC-MS/MS analysis, backed by comprehensive documentation and technical support.
ISO 17034 Explained: Why It Matters When Selecting Certified Reference Materials
Learn what ISO 17034 accreditation means, why it matters for certified reference materials, and how it helps ensure traceable, defensible laboratory results.
CRM vs. Reference Material vs. Analytical Standard: Choosing the Right Standard for Defensible Data
Learn what ISO 17034 accreditation means, why it matters for certified reference materials, and how it helps ensure traceable, defensible laboratory results.
The Role of Secondary Reference Standards in Pharmaceutical QC
Learn how secondary reference standards support pharmaceutical quality control, reduce reliance on primary standards, and ensure traceable, defensible analytical results through proper qualification and documentation.
