Target Mass
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Auto-detects top 5 peaks (1st page only)Element Constraints
Reverse Match Adduct ID
Given a neutral base mass and an observed m/z, find the most likely adduct, solvent coordination, or fragment loss.
Heuristic Filters
H/C Ratio (0.1 - 3.1)
Heteroatom Limits (N, O, P, S, Halogens)
Valid RDBE (Degree of Unsaturation)
Results
0 formulasReady
| Target m/z | Formula | Neutral Mass | Adduct Mass | Δ Mass (Da) | RDBE |
|---|---|---|---|---|---|
| Enter a mass or upload an image | |||||