ChemBridge is an established provider of premium quality chemistry tools for small molecule drug discovery and offers a broad portfolio of research-based, discovery chemistry products and services including: advanced combinatorial libraries; medicinally relevant proprietary building blocks PHARMABlock(R); diverse compound collections for high-throughput screening. All samples undergo industry's most rigorous analytical quality control policy. State-of-the-art, proprietary sample tracking technology capable of assuring mistake-proof dry powder formatting of hundreds of thousands of compounds in any type of vial and 96-well plate. 100% Quality Guarantee Policy on all compounds supplied.