| Molecular Formula | C4H7BrO2 |
| Molar Mass | 167 |
| Density | 1.59 |
| Melting Point | 173 °C (decomp) |
| Boling Point | 115 °C(Press: 14 Torr) |
| Solubility | Chloroform, Methanol (Slightly) |
| Appearance | neat |
| Color | Colourless to Pale Yellow |
| pKa | 4.09±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Hygroscopic |
| Refractive Index | 1.4750-1.4790 |
| UN IDs | 3265 |
| Hazard Class | 8 |
| Packing Group | II |
| biological activity | Captopril EP Impurity D is a Captopril impurity. Captopril is an orally active angiotensin-converting enzyme (ACE) inhibitor containing sulfhydryl groups (IC50=0.025 μM). |