Reference standards by type
The same catalogue, grouped the way laboratories actually work: by the kind of standard a method needs rather than by the parent drug. Each group explains what that type of standard is used for and lists every item CATO holds in it.
Pharmacopoeial impurity standards134 productsImpurity and metabolite reference standards123 productsStable isotope labelled internal standards78 productsAntibiotic impurity standards66 productsVitamin reference standards26 productsMycotoxin reference standards16 productsPFAS reference standards10 productsNitrosamine and nitrosamine-impurity standards7 productsSolution and multi-component standards5 productsPesticide and veterinary drug reference standards1 products