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Reference standards and chemicals in small quantities
Our product range includes approx. 16,000 products from the US companies High Purity Standards (HPS) and Chem Service, Inc.
Analagous to the manufacturer's website, the HPS products have been categorized and are easy to find.
As the majority of Chem Service products have a CAS Number, they can be easily found using the corresponding filter/drop-down menu. If you have questions, please contact us.
Custom Blends: both HPS and Chem Service offer bespoke mixtures - so-called custom blends. Please use the FORM for your request for HPS custom blends. For special products from Chem Service please contact us.