IPTG is commonly used in cloning procedures that require induction of β-galactosidase activity.
| M | 238.31 |
|---|---|
| m.p | 105 °C |

| White crystalline powder | Complying |
| Solubility (5% in Water) Clear solution | Complying |
| Assay (HPLC) | >= 99% |
| S.Rotation 20/D (C=1 in Water) | -33.0--31.0° |
| Water (KF) | <= 1.0%w/w |
| DNase activity | Not detected |
| RNase activity | Not detected |
| Protease activity | Not detected |