About ChromaDex We are no longer a member of Look chemPlease refer to our website for any inquiries.ChromaDex? was established in 1999 to become the market leader in the creation and supply of botanical reference standards along with related phytochemical products and services. There is a rapidly growing awareness both at the consumer and government regulatory level of the need for reference standards and other quality assurance methods to identify active substances, drug/compound interactions, and the presence of toxic or adulterating materials.ChromaDex? provides the tools necessary to help with the quality and control o