Vitamin D2 (ergocalciferol) certified reference material supplied as a single-component solution at 1 mg/mL in ethanol. This CRM is intended for use as a calibration and quality control standard in analytical testing of vitamin D2 in pharmaceutical products, dietary supplements, fortified foods, and clinical samples.

The material is suitable for gas chromatography (GC) and liquid chromatography (LC) applications and may be used for instrument calibration, method validation, accuracy verification, and routine analytical quality control. It is commonly used in clinical laboratories, food and nutrition testing facilities, pharmaceutical quality control laboratories, academic research institutions, and government regulatory laboratories.

This certified reference material is supplied with a certificate of analysis providing traceable concentration values suitable for calibration, method validation, and analytical quality control.

Shipping and Storage Notice
Please note that shipping and long-term storage conditions for certified reference materials may differ. Manufacturers determine the most appropriate shipping method based on product stability and shipping data. Some CRM standards may ship at ambient temperature even though recommended long-term storage conditions are refrigerated or frozen. This does not affect product integrity when handled according to manufacturer documentation.