HCTU (O-(6-Chlorobenzotriazol-1-yl)-N,N,N!,N!-tetramethyluronium hexafluorophosphate) is a peptide coupling reagent for solid and solution phase peptide synthesis. HCTU is an aminium-based coupling reagent, analogous to HBTU.
| M | 413.69 |
|---|---|
| m.p | 185-190 °C |


| White to off-white powder | Complying |
| Assay (HPLC) | >= 98% |
| Water (KF) | <= 0.5%w/w |
| Identity (IR) | Complying |