Guanine
C5H3(NH2)N4O [CNMNC approved formula]
Named Namd for its derivation from and association with guano.
| IMA status : | Approved Species 1844 () |
| CLASSIFICATION | |
| Dana (8th edition) : |
50.04.05.01 |
| (50) Salts of Organic Acids and Hydrocarbons | |
| (50.04) with miscellaneous formulae | |
| (50.04.05) | |
| Nickel-Strunz (10th edition) : |
10.CA.30 |
| (10) Organic Compounds | |
| (10.C) Miscellaneous Organic Minerals | |
| (10.CA) Miscellaneous Organic Minerals | |
| Crystal system: | Monoclinic System |
| Point group (H-M): | 2/m — prismatic |
| Other Properties: | BioMineral. |