Product categories
Browse specialist chemicals by category
Our catalogue of more than 1,380 products is organised into clear categories to help scientists, buyers and quality teams find the right material faster. Each category page explains what the materials are, how professional laboratories use them, and how to enquire.
903 products
Impurities & Reference Standards
Pharmacopoeial impurities, related compounds, nitrosamines, metabolites and degradation products for analytical work.
View category171 products
Deuterated Compounds
Deuterium, carbon-13 and nitrogen-15 labelled compounds for use as internal standards in mass spectrometry.
View category26 products
Pharmaceutical APIs
Active pharmaceutical ingredients for pharmaceutical research, analytical development and reference work.
View category51 products
Special Chemicals
Acids, salts, acetates, phosphates and other specialist materials for laboratory and industrial research.
View category229 products
Analytical & Laboratory Materials
Natural products, intermediates, enantiomers and specialist compounds for analytical and scientific research.
View categorySourced on request
Research Chemicals
Specialist compounds for controlled scientific investigation, sourced on request by name and CAS number.
View categoryWhy we organise products by category
Specialist chemicals are often searched for in very different ways. An analytical chemist may look for a specific EP impurity, a bioanalytical scientist may need a deuterated internal standard, and a procurement officer may simply have a CAS number on a purchase request. Grouping our catalogue into categories makes it easier to browse related materials and understand how each type of product is typically used.
Categories are a helpful guide, but the CAS registry number remains the most reliable way to identify a substance. Where a product could fit more than one group, such as a labelled impurity, it appears in the category that best describes its main use. You can always search the full catalogue by name or CAS number, or download the complete list as an Excel spreadsheet.
All products are offered for professional research, laboratory, analytical and industrial use only. Specifications, packaging and documentation are confirmed upon enquiry.