Our company produces OTBN(4'-Methyl -2-Cyano biphenyl),the capability of our production of OTBN is 200,000KG per year. Name:sartanbiphenyl synonym: 2'-Cyano-4-Methyl biphenyl OTBN (O-Tolybenzenitrile) CAS NO.:114772-53-1 uses: Be used to synthesize sartan series Pharmaceuticals