PRODUCT Properties
| storage temp. | Store at 0-8 °C |
| Appearance | light yellow solid |
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
![4-Chloro-5H-pyrrolo[2,3-d]pyrimidin-6(7H)-one](https://img.chemicalbook.com/CAS/GIF/346599-63-1.gif)
![2-Chloro-5H-pyrrolo[2,3-d]pyrimidin-6(7H)-one](https://img.chemicalbook.com/CAS/GIF/335654-08-5.gif)