About Us

COMBI-BLOCKS is a research-based manufacturer and worldwide supplier of combinatorial building blocks, organics and fine chemicals. Our main product lines include boronic acids, imidazoles, indoles and oxindoles, anilines, nitrobenzenes, tetrahydropyrans, thiazoles, pyrroles, pyridines and carboxylic acids. You may find compounds by browsing through our product list, Searching by Keywords, or Searching by Structure.

Order Information

Orders may be placed by email, phone, fax, or using our online shopping system. See the order information and the shipping information pages for more details.
Phone 1-877-5-BLOCKS   (1-877-525-6257)
International 1-858-635-8950
Fax 1-858-635-8991
Email sales@combi-blocks.com

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