Ark Pharm, Inc. is a supplier of medicinal building blocks, scaffolds and other heterocyclic intermediates. Ark Pharm is a Chicago based CRO company providing drug discovery and development services to worldwide clients. Our products include various alcohols, amines, aldehydes, acids/esters, halo of heterocycles (indole, imidazole, pyrazole, pyridazine, pyridine, pyrimidine, pyrazine, piperazine, piperidine, pyrrolidine, thiazole, triazole, etc.). Besides our catalog building blocks, our services include the synthesis and development of medicinal novel building blocks, novel templates, reference standard compounds, impurities, by-products and other organic intermediates.