The National Registry of Certified Chemists (NRCC) is a professional organization that provides certification for chemists and related professionals across a range of specialties. Its mission is to recognize professional competence through educational merit, professional excellence, and high examination standards. NRCC offers certifications for Cannabis Chemists, Chemical Hygiene Officers, Clinical Chemists, Clinical Chemistry Technologists, Environmental Analytical Chemists, Industrial Hygiene Chemists, Toxicological Chemists, and Toxicological Technologists.

The organization supports applicants and certified professionals with information about certification requirements, exams, fees, and renewal. Its website provides application, reference, and renewal forms, along with study and training resources to help candidates prepare for examinations. Exam pathways cover clinical, toxicological, environmental, industrial hygiene, laboratory safety, and cannabis chemistry disciplines. NRCC also offers a way to verify certifications and provides updates on application status by email. The specific process and requirements vary by certification, and the registry directs visitors to the relevant certification pages for details. Based in West Grove, Pennsylvania, NRCC serves as a resource for individuals seeking professional recognition in chemistry-related fields.