Chiral Quest Inc., a US based company founded by Prof. Xumu Zhang Ph.D in 2000 to establish a comprehensive chiral catalyst technology platform. Chiral Quest offers : Chiral Technology , Innovative Technology, Pharmaceutical Intermediates and API’s. Duloxetine intermediate（CAS#116539-55-0）, Dorzolamide（CAS#120279-96-1）, Dorzolomide Intermediate（CAS#147128-77-6）, Aprepitant Intermediate（CAS#127852-28-2）（CAS#171482-05-6）, Sitagliptin Intermediate（CAS#486460-00-8）, Mitiglinide intermediate（CAS#3972-36-9）, Rasagiline intermediate（CAS#10277-74-4）, Rivastigmine Intermediate（CAS#139306-10-8）, Dapoxetine intermediate（CAS#82769-75-3）, Solifenacin Intermediate (CAS#25333-42-0), (S)-2, 6-Dimethyltyrosine（CAS#123715-02-6）, (S)-1-(4-Bromophenyl)ethylamine（CAS#27298-97-1）, (S)-2-Amino-3-methyl-1-butanol（CAS#2026-48-4） .