Profile: Shanghai YFan Chemistry Co., Ltd. specializes in APIs, pharmaceutical intermediates and fine chemicals. Our APIs includes 4-formylphenylboronic acid, 3-pyridylboronic acid, pyridine-4-boronic acid, isopropylboronic acid, and 3-carboxyphenylboronic acid. Our boronic acid includes 4-formylphenylboronic acid, ethylboronic acid, 2-chlorophenylboronic acid, 2,6-difluorophenylboronic acid, 3-carboxyphenylboronic acid and cyclopropylboronic acid. Our other intermediates include 6-chloropicolinic acid, 2-aminoisonicotinic acid and chrysene.