Browse reference spectra from the USGS Spectral Library Version 7 and other curated sources. Each spectrum includes interactive plots, metadata, and downloadable data.
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| Formula | Modality | Category | Source | ||
|---|---|---|---|---|---|
| 3-Methyl-2-oxobutanoate | C5H8O3 | Mass Spec | Chemical | MassBank | |
| 3-Methyl-2-oxovaleric acid | C6H10O3 | Mass Spec | Natural product | MassBank | |
| 3-Methyl-3,4-dihydro-2H-1,4-benzoxazine | C9H11NO | Mass Spec | Chemical | MassBank | |
| 3-Methyl-4-(methylthio)phenol | C8H10OS | Mass Spec | Chemical | MassBank | |
| 3-Methyl-5-pyrazolone | C4H6N2O | Mass Spec | Chemical | MassBank | |
| 3-Methyl-L-histidine | C7H11N3O2 | Mass Spec | Metabolite | MassBank | |
| 3-Methyl-N-phenylaniline | C13H13N | Mass Spec | Environmental | MassBank | |
| 3-Methyladenine | C6H7N5 | Mass Spec | Natural product | MassBank | |
| 3-Methyladipic acid | C7H12O4 | Mass Spec | Chemical | MassBank | |
| 3-Methylbenzoate | C8H8O2 | Mass Spec | Chemical | MassBank | |
| 3-Methylbenzoic acid | C8H8O2 | Mass Spec | Chemical | MassBank | |
| 3-Methylbutanoate | C5H10O2 | Mass Spec | Chemical | MassBank | |
| 3-Methylglutarate | C6H10O4 | Mass Spec | Natural product | MassBank | |
| 3-Methylglutaric acid | C6H10O4 | Mass Spec | Natural product | MassBank | |
| 3-Methylguanine | C6H7N5O | Mass Spec | Chemical | MassBank | |
| 3-Methylhippuric acid | C10H11NO3 | Mass Spec | Chemical | MassBank | |
| 3-Methylpyrazole | C4H6N2 | Mass Spec | Environmental | MassBank | |
| 3-Methylpyridazine | C5H6N2 | Mass Spec | Environmental | MassBank | |
| 3-Methylthiopropyl-Glucosinolate | C11H21NO9S3 | Mass Spec | Natural product | MassBank | |
| 3-Methylxanthine | C6H6N4O2 | Mass Spec | Pharmaceutical | MassBank | |
| 3-NITROANILINE | C6H6N2O2 | Mass Spec | Chemical | MassBank | |
| 3-NITROANISOL | C7H7NO3 | Mass Spec | Chemical | MassBank | |
| 3-NITROBENZOIC ACID METHYL ESTER | C8H7NO4 | Mass Spec | Chemical | MassBank | |
| 3-NITROBENZOPHENONE | C13H9NO3 | Mass Spec | Chemical | MassBank | |
| 3-NITROBENZYL 2-METHYLBENZOATE | C15H13NO4 | Mass Spec | Chemical | MassBank | |
| 3-NITROBENZYL ALCOHOL | C7H7NO3 | Mass Spec | Chemical | MassBank | |
| 3-NITROBENZYL BENZOATE | C14H11NO4 | Mass Spec | Chemical | MassBank | |
| 3-NITROCARBAZOLE | C12H8N2O2 | Mass Spec | Chemical | MassBank | |
| 3-NITRODIPHENYL | C12H9NO2 | Mass Spec | Chemical | MassBank | |
| 3-NITROPHENOL | C6H5NO3 | Mass Spec | Chemical | MassBank | |
| 3-NITROPHENYLACETIC ACID METHYL ESTER | C9H9NO4 | Mass Spec | Chemical | MassBank | |
| 3-NITROPHENYLACETIC ACID TRIMETHYLSILYL ESTER | C11H15NO4Si | Mass Spec | Chemical | MassBank | |
| 3-NITROPHTHALIC ACID | C8H5NO6 | Mass Spec | Chemical | MassBank | |
| 3-NITROPHTHALIC ACID BIS(TRIMETHYLSILYL) ESTER | C14H21NO6Si2 | Mass Spec | Chemical | MassBank | |
| 3-NITROPHTHALIC ACID DIMETHYL ESTER | C10H9NO6 | Mass Spec | Chemical | MassBank | |
| 3-NITROSO-2-OXAZOLINONE | C3H4N2O3 | Mass Spec | Chemical | MassBank | |
| 3-NITROTOLUENE | C7H7NO2 | Mass Spec | Chemical | MassBank | |
| 3-NONANOL | C9H20O | Mass Spec | Chemical | MassBank | |
| 3-NONANONE | C9H18O | Mass Spec | Chemical | MassBank | |
| 3-NONENOIC ACID TRIMETHYLSILYL ESTER | C12H24O2Si | Mass Spec | Chemical | MassBank | |
| 3-NONYL ACETATE | C11H22O2 | Mass Spec | Chemical | MassBank | |
| 3-Nitrobenzenesulfonic acid | C6H5NO5S | Mass Spec | Environmental | MassBank | |
| 3-Nitrobenzoic acid | C7H5NO4 | Mass Spec | Chemical | MassBank | |
| 3-O-Acetyl-16alpha-hydroxydehydrotrametenolic acid | C32H48O5 | Mass Spec | Natural product | MassBank | |
| 3-O-Acetyl-16alpha-hydroxytrametenolic acid | C32H50O5 | Mass Spec | Natural product | MassBank | |
| 3-O-Caffeoylquinic acid | C16H18O9 | Mass Spec | Natural product | MassBank | |
| 3-O-Feruloylquinic acid | C17H20O9 | Mass Spec | Natural product | MassBank | |
| 3-O-METHYL-1,2,4,5,6-PENTA-O-ACETYL GLUCITOL | C17H26O11 | Mass Spec | Chemical | MassBank | |
| 3-O-Neohesperidoside Kaempferol (NMR) | C27H30O15 | Mass Spec | Natural product | MassBank | |
| 3-O-Neohesperidoside Quercetin (NMR) | C27H30O16 | Mass Spec | Natural product | MassBank |