1-Hydroxybenzotriazole hydrate - HOBT hydrate - for peptide synthesis. HOBT hydrate produces activated esters that ensures the condensation of the amino group of protected amino acids.
| M | 135.12 |
|---|---|
| m.p | 156-159 °C |

| White to off-white powder | Complying |
| Water (KF) | 11-16%w/w |
| Assay (T dry) | 97-101%w/w |
| Identity (IR) | Complying |
| Melting point | 155-160°C |