Science

Prepares rare and specialty chemicals, building blocks, scaffolds, chiral ligands, phosphorous compounds, heterocyclic compounds, haptens and immunogens.

Specializes in custom organic synthesis and contract research and development. Products include starting materials and intermediates, drug candidates and reference compounds.

Provides discovery and development services, synthetic intermediates and custom synthesis.

Provides custom synthesis and contract research services including compound libraries, intermediates, building blocks and scale up.

Specializes in custom synthesis, compound libraries, intermediates and building blocks for research and development. Features a downloadable product database and ordering instructions. Based in Graz, Austria. [English and German]

Worldwide supplier for combinatorial chemistry building blocks. Catalog of chemicals available, with offer of custom synthesis, and contacts in San Diego, California.

Manufactures synthons and reagents for organic chemistry, with a focus on selenium and tellurium compounds, organotin compounds, calixarenes, acetals and chiral compounds. Offers product information sheets, custom synthesis, and search by substructure.

Custom manufacturer specializing in the synthesis and purification of organic chemicals, on a semi-micro to bench scale. Product list and contacts in New Milford, Connecticut.

Offers custom and contract synthesis services including screening compounds, building blocks, coupling reagents compound libraries and metabolites.

Offers fine organic substance samples for high throughput screening, pharmaceutical, agricultural, biotechnology and QSAR research. Custom synthesis of organic compounds also available. Moscow, Russia.

A contract research organisation manufacturing research quantities of novel organic chemicals for customers from pharmaceutical industry sector worldwide.

Provides custom and contract synthesis services including screening compounds, building blocks and compound libraries.

Providers of fine chemicals, building blocks and pharmaceutical intermediates with a catalog of over 20,000 standard products and custom synthesis. Shanghai, China.

Provides contract research to pharmaceutical and biochemical companies worldwide. Lodz, Poland.

Manufacturer and supplier of fine chemicals with particular emphasis on heterocyclic and aromatic compounds such as pyridines, pyrimidines, indoles and phenylboronic acids. Wuhan, China.

A scientific consultancy specializing in chemistry, materials, polymers, synthesis and industrial processes. In Hebrew and English.

Equipment for radiocarbon dating, vacuum pyrolysis, benzene production, with supplies and training offered , with links to videos and social media from Kiev, Ukraine.