
Precision data can only be delivered by high-purity, rigorously controlled reference standards. With decades of chemical expertise, state-of-the-art facilities, and ISO quality credentials, Restek reference standards ensure that accuracy and reliability are the foundation of your analyses.
- Fully characterized starting materials blended for maximum stability and convenience.
- Professionally formulated mixes reduce time, expense, and uncertainty compared to in-house preparation.
- Stock products and custom solutions ensure you get exactly what you need.
- Multicomponent and single compound standards covering a wide range of chemical classes.
- Pesticides
- Volatiles & semivolatiles
- Cannabinoids & terpenes
- Drugs
- Hydrocarbons
- Performance test mixes for LC, GC , and SPME
- And much more
Custom Solutions
Don’t see exactly what you need? Restek can blend custom formulations to match your specific requirements.

Quality Counts
Restek certified reference materials (CRMs) are manufactured and QC tested in our ISO-accredited labs.
