We could supply EDAC. HCl, HATU, HOBT, etc., widely used as peptide coupling reagents.

EDAC. HCl(EDC. HCl)
CAS#: [25952-53-8]
Aliases: 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride
Formula: C8H17N3. HCl; Mol wt: 191.7
Appearance: White crystals or crystalline powder
Assay: >99%; Melting Point: 108-113
EDC. MEI (CAS: 22572-40-3) aslo available

HATU
CAS#: [148893-10-2]
Aliases: 2-(7-Azabenzotriazol-1- yl)-N, N, N', N'-tetramethyluronium hexafluorophosphate
Formula: C10H15F6N6OP; Mol wt: 380.23
Appearance: White crystal powder
Assay: >99%; Melting Point: 183.3-185

 HOBT 1-Hydroxybenzotriazole
CAS#: [2592-95-1]
Formula: C6H5N3O; Mol wt: 135.12
Appearance: White crystals or crystalline powder
Assay(HPLC): >99%

More details, samples and customization available.