6-Isoquinolinecarboxylic acid, 5,7-dichloro-1,2,3,4-tetrahydro-, hydrochloridee [CAS 1289646-93-0]

6-Isoquinolinecarboxylic acid, 5,7-dichloro-1,2,3,4-tetrahydro-, hydrochloride (CAS 1289646-93-0, molecular formula C10H10Cl3NO2, molecular weight 282.55) is a key intermediate in the synthesis of lifitegrast, supplied by Shanghai IntVal Chemicals Co., Ltd. as a white to off-white crystalline powder with a melting point of 220-224°C and a purity of at least 98% by HPLC. The supplier does not manufacture the compound directly and recommends storage sealed in a light-proof container in a cool, dry place. It is sold into North America, Central/South America, Asia, and the Middle East, with samples available on request.