Reference Substance Manufacturer
Worldwide there are three big organizations and Phytochem that work with certain range of products for Pharmaceutical Standards.













In the field of Herbal Compounds and Unknown Impurities, Phytochem® is the leading Producer and Seller on the market.

Government of the United States of America

USP Standards

Europeen Directorate for the Qualtity of Medicines

CRS Standards

BRP Standards

World Health Organisation

WHO Standards

Phytochem® Referenzsubstanzen

Natural Compounds

Unknown Impurities

Premier-Standards

Primary-Standards