| Bioactivity | Cyclen is the aza analogue of crown ether, used as a precursor for MRI contrast agents, and is an intermediate for the preparation of effective macrocyclic chelates[1]. |
| Name | Cyclen |
| CAS | 294-90-6 |
| Formula | C8H20N4 |
| Molar Mass | 172.27 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, protect from light, stored under nitrogen *In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen) |