Nitrogen rule
From Mass Spec Terms
| DRAFT DEFINITION | 
| Nitrogen rule | 
|---|
| An organic molecule containing the elements C, H, O, S, P, or halogen has an odd nominal mass if it contains an odd number of nitrogen atoms. | 
| Considered between 2004 and 2006 but not included in the 2006 PAC submission | 
| This is an unofficial draft definition presented for information and comment. | 
