EMAIL INQUIRY to 2 H-THR-LEU-GLN-LYS-LYS-ILE-GLU-GLU-ILE-ALA-ALA-LYS-TYR-LYS-HIS-SER-VAL-VAL-LYS-LYS-CYS-CYS-TYR-ASP-GLY-ALA-CYS-VAL-ASN-ASN-ASP-GLU-THR-CYS-GLU-GLN-ARG-ALA-ALA-ARG-ILE-SER-LEU-GLY-PRO-ARG-CYS-ILE-LYS-ALA-PHE-THR-GLU-CYS-CYS-VAL-VAL-ALA-SER-GLN-LEU-ARG-ALA-A (CAS No. 1816940-05-2) suppliers