| Formula | C4H8O |
| Molecular weight | 72.11 |
| Details: | butan-2-one |
| Total Number of Peaks | 15 |
| Record | Massbank Spectrum MSBNK-Fac_Eng_Univ_Tokyo-JP001803 |
| Link | 6569 |
| Base Peak | 43 |
| 2nd most intense Peak | 72 |
| 3rd most intense Peak | 29 |
| Formula | C4H8O |
| Molecular weight | 72.11 |
| Details: | butan-2-one |
| Total Number of Peaks | 13 |
| Record | Massbank Spectrum MSBNK-Fac_Eng_Univ_Tokyo-JP006442 |
| Link | 6569 |
| Base Peak | 43 |
| 2nd most intense Peak | 72 |
| 3rd most intense Peak | 29 |
| Formula | C4H8O |
| Molecular weight | 72.11 |
| Details: | butan-2-one |
| Total Number of Peaks | 4 |
| Record | Massbank Spectrum MSBNK-Fac_Eng_Univ_Tokyo-JP008197 |
| Link | 6569 |
| Base Peak | 43 |
| 2nd most intense Peak | 72 |
| 3rd most intense Peak | 57 |
| Formula | C4H8O |
| Molecular weight | 72.11 |
| Details: | butan-2-one |
| Total Number of Peaks | 2 |
| Record | Massbank Spectrum MSBNK-RIKEN_ReSpect-PS103301 |
| Link | 6569 |
| Base Peak | 73 |
| 2nd most intense Peak | 72 |
| 3rd most intense Peak | 0 |