Reference Standards

Today, Purisys has 250+ commercial reference standards in stock. These reference standards come with structural elucidation and comprehensive analytical data.

We are an ISO certified facility.

Purisys also has a specialized business process to allow for rapid development and qualification of standards. We can support you by providing custom synthesis of degradation products, metabolites, and other unique impurities. We can also provide investigative services including identification, standard preparation, and relative response factor determination of impurities found in dosage forms.

We ship reference standards to more than 30 countries on six continents. We can manufacture, store, and distribute a broad array of controlled substances.

Custom reference standard synthesis is available to support customers’ developmental and commercial needs. For details, please contact