| FEMA | N/A |
| CAS | 28874-51-3 |
| EINECS | 249-277-1 |
| JECFA Food Flavoring | N/A |
| CoE Number | N/A |
| Organoleptic Notes |
|
| Odor | N/A |
| Flavor | N/A |
| Material Notes | a cyclized derivative of l-glutamic acid. elevated blood levels may be associated with problems of glutamine or glutathione metabolism. |