BOC Sciences is committed to the development and manufacture of chiral catalysts and ligands, chiral auxiliaries and chiral synthetic building blocks. We can provide high-quality, fast and economical resolution, synthesis, production, processing, analysis and testing services for universities, scientific research institutes, domestic and foreign pharmaceutical companies and new drug research and development institutions. CAS 500997-69-3 https://chiral.bocsci.com/product/11ar-10-11-12-13-tetrahydrodiindeno-7-1-de-1-cas-500997-69-3-119658.html