Spectrophotometry
MS adduct m/z calculator
Formula or mass to adduct m/z, and reverse-match an observed peak by ppm.
m/z = (M·n + adduct) / z
If given, the neutral monoisotopic mass is computed from it.
Protocol result
⚗ Aliquot
MS adduct m/z calculator · m/z = (M·n + adduct) / z · the lab bench, calculated
MS adducts✓ m/z = (M·n + adduct) / z
Adduct m/z for M = 180.0423 Da.
1
Neutral monoisotopic mass: 180.0423 Da.
| Adduct | m/z |
|---|---|
| [M+H]+ | 181.0495 |
| [M+Na]+ | 203.0315 |
| [M+K]+ | 219.0054 |
| [M+NH4]+ | 198.0754 |
| [M+2H]2+ | 91.0284 |
| [M+H-H2O]+ | 163.039 |
| [2M+H]+ | 361.0918 |
Neutral mass
180.0423 Da
Polarity
pos