Supplier Page from Aladdin Scientific Corporation for Potassium phosphate buffer
4-Amino-L-phenylalanine, HCl from Aladdin Scientific Corporation
Boc-Pro-PAM resin from Aladdin Scientific Corporation
Bromocresol green sodium salt from Aladdin Scientific Corporation
Fmoc-D-Glu(OtBu)-OH from Aladdin Scientific Corporation