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-Acetamidophenol | C8H9NO2 | Mass Spec | Pharmaceutical | MassBank | |
| 3-Acetyl-2,5-dimethylfuran | C8H10O2 | Mass Spec | Chemical | MassBank | |
| 3-Acetyldeoxynivalenol | C17H22O7 | Mass Spec | Metabolite | MassBank | |
| 3-Acetylphenanthrene | C16H12O | Mass Spec | Environmental | MassBank | |
| 3-Alizarinsulfonic acid | C14H8O7S | Mass Spec | Chemical | MassBank | |
| 3-Allyl-2-naphthonitrile | C14H11N | Mass Spec | Chemical | MassBank | |
| 3-Amino-1,2,4-triazole | C2H4N4 | Mass Spec | Environmental | MassBank | |
| 3-Amino-1,2-propanediol | C3H9NO2 | Mass Spec | Chemical | MassBank | |
| 3-Amino-2,3-dihydrobenzoic acid | C7H9NO2 | Mass Spec | Natural product | MassBank | |
| 3-Amino-3-(4-hydroxyphenyl)propionate | C9H11NO3 | Mass Spec | Chemical | MassBank | |
| 3-Amino-4-chlorobenzoic acid | C7H6ClNO2 | Mass Spec | Chemical | MassBank | |
| 3-Amino-4-methylbenzamide | C8H10N2O | Mass Spec | Environmental | MassBank | |
| 3-Amino-5-methylisoxazole | C4H6N2O | Mass Spec | Chemical | MassBank | |
| 3-Amino-9-ethylcarbazole | C14H14N2 | Mass Spec | Environmental | MassBank | |
| 3-Aminoacetophenon | C8H9NO | Mass Spec | Environmental | MassBank | |
| 3-Aminobutanoic acid | C4H9NO2 | Mass Spec | Chemical | MassBank | |
| 3-Aminoisobutyric acid | C4H9NO2 | Mass Spec | Chemical | MassBank | |
| 3-Aminopropionitrile fumarate | C3H6N2 | Mass Spec | Natural product | MassBank | |
| 3-Ara-28-Glu Hederagenin (NMR) | C41H66O13 | Mass Spec | Natural product | MassBank | |
| 3-Ara-GlcUA Soyasapogenol B | C41H66O13 | Mass Spec | Natural product | MassBank | |
| 3-BENZOYL-1-METHYLINDOLE | C16H13NO | Mass Spec | Chemical | MassBank | |
| 3-BENZOYL-2,2,4-TRIPHENYL-2H-1-BENZOPYRAN | C34H24O2 | Mass Spec | Chemical | MassBank | |
| 3-BENZOYL-4-PHENYLCOUMARIN | C22H14O3 | Mass Spec | Chemical | MassBank | |
| 3-BENZOYL-5-FLUOROURACIL | C11H7FN2O3 | Mass Spec | Chemical | MassBank | |
| 3-BENZOYLAMINOCHROMANONE | C16H13NO3 | Mass Spec | Chemical | MassBank | |
| 3-BENZOYLAMINOCHROMONE | C16H11NO3 | Mass Spec | Chemical | MassBank | |
| 3-BENZOYLINDOLE | C15H11NO | Mass Spec | Chemical | MassBank | |
| 3-BENZOYLPROPIONIC ACID | C10H10O3 | Mass Spec | Chemical | MassBank | |
| 3-BENZYL-2-HEPTANONE | C14H20O | Mass Spec | Chemical | MassBank | |
| 3-BENZYLAMINO-2-CYANOMETHYL-2-BUTEN-4-OLIDE | C13H12N2O2 | Mass Spec | Chemical | MassBank | |
| 3-BENZYLAMINO-2-METHOXYMETHYL-2-BUTEN-4-OLIDE | C13H15NO3 | Mass Spec | Chemical | MassBank | |
| 3-BENZYLAMINO-2-METHYL-2-BUTEN-4-OLIDE | C12H13NO2 | Mass Spec | Chemical | MassBank | |
| 3-BENZYLIDENE-4-HYDROXYIMINOFLAVAN | C22H17NO2 | Mass Spec | Chemical | MassBank | |
| 3-BETA-HYDROXY-TETRAHYDROALANTOLACTONE | C15H24O3 | Mass Spec | Chemical | MassBank | |
| 3-BIPHENYLYLMETHYL BENZOATE | C20H16O2 | Mass Spec | Chemical | MassBank | |
| 3-BROMO-1-PROPYNE | C3H3Br | Mass Spec | Chemical | MassBank | |
| 3-BROMO-4,5-DIHYDROXYBENZALDEHYDE | C7H5BrO3 | Mass Spec | Chemical | MassBank | |
| 3-BROMO-4,6-DIMETHYL-2-PYRONE | C7H7BrO2 | Mass Spec | Chemical | MassBank | |
| 3-BROMO-4-HYDROXYBENZALDEHYDE | C7H5BrO2 | Mass Spec | Chemical | MassBank | |
| 3-BROMO-5-(3,4-DIHYDRO-2H-PYRROL-5-YL)PYRIDINE | C9H9BrN2 | Mass Spec | Chemical | MassBank | |
| 3-BROMOBENZYL BENZOATE | C14H11BrO2 | Mass Spec | Chemical | MassBank | |
| 3-BROMOMETHYL-2,2-DIMETHYL-3-CYCLOPENTENYLETHANAL | C10H15BrO | Mass Spec | Chemical | MassBank | |
| 3-BROMOMETHYL-7-METHOXY-1,4-BENZOXAZIN-2-ONE | C10H8BrNO3 | Mass Spec | Chemical | MassBank | |
| 3-BROMOPHENYL METHYL KETONE | C8H7BrO | Mass Spec | Chemical | MassBank | |
| 3-BROMOPHENYLACETIC ACID | C8H7BrO2 | Mass Spec | Chemical | MassBank | |
| 3-BROMOPROPENE | C3H5Br | Mass Spec | Chemical | MassBank | |
| 3-BROMOPROPYL PHENYL SULFIDE | C9H11BrS | Mass Spec | Chemical | MassBank | |
| 3-BROMOPROPYLTRIMETHYLSILANE | C6H15BrSi | Mass Spec | Chemical | MassBank | |
| 3-BUTEN-1-OL | C4H8O | Mass Spec | Chemical | MassBank | |
| 3-BUTENYL ISOTHIOCYANATE | C5H7NS | Mass Spec | Chemical | MassBank |