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-Hydroxyflavone | C15H10O3 | Mass Spec | Natural product | MassBank | |
| 3-Hydroxyhexadecanoic acid (NMR) | C16H32O3 | Mass Spec | Natural product | MassBank | |
| 3-Hydroxyisovaleric acid | C5H10O3 | Mass Spec | Natural product | MassBank | |
| 3-Hydroxykynurenine | C10H12N2O4 | Mass Spec | Metabolite | MassBank | |
| 3-Hydroxymandelic acid | C8H8O4 | Mass Spec | Chemical | MassBank | |
| 3-Hydroxymethylmefenamic acid | C15H15NO3 | Mass Spec | Environmental | MassBank | |
| 3-Hydroxyphenyl diphenyl phosphate | C18H15O5P | Mass Spec | Environmental | MassBank | |
| 3-Hydroxyphenylacetic acid | C8H8O3 | Mass Spec | Chemical | MassBank | |
| 3-Hydroxypicolinic acid | C6H5NO3 | Mass Spec | Natural product | MassBank | |
| 3-Hydroxypropyl-Glucosinolate | C10H19NO10S2 | Mass Spec | Natural product | MassBank | |
| 3-Hydroxypyridine | C5H5NO | Mass Spec | Chemical | MassBank | |
| 3-Hydroxypyridine-2-methanol | C6H7NO2 | Mass Spec | Chemical | MassBank | |
| 3-Hydroxypyruvate | C3H4O4 | Mass Spec | Natural product | MassBank | |
| 3-Hydroxypyruvic acid | C3H4O4 | Mass Spec | Natural product | MassBank | |
| 3-INDOLEACETIC ACID-DI-TMS | C16H25NO2Si2 | Mass Spec | Chemical | MassBank | |
| 3-INDOLEACRYLIC ACID METHYL ESTER | C12H11NO2 | Mass Spec | Chemical | MassBank | |
| 3-INDOLEBUTYRIC ACID | C12H13NO2 | Mass Spec | Chemical | MassBank | |
| 3-INDOLEBUTYRIC ACID METHYL ESTER | C13H15NO2 | Mass Spec | Chemical | MassBank | |
| 3-INDOLEPROPIONIC ACID METHYL ESTER | C12H13NO2 | Mass Spec | Chemical | MassBank | |
| 3-IODO-2-TRIMETHYLSILOXYPROPENE | C6H13IOSi | Mass Spec | Chemical | MassBank | |
| 3-ISO-BUTYL-6-METHYL-2,5-PIPERAZINEDIONE | C9H16N2O2 | Mass Spec | Chemical | MassBank | |
| 3-ISOBUTYL-2,5-PIPERADINEDIONE | C8H14N2O2 | Mass Spec | Chemical | MassBank | |
| 3-ISOBUTYL-2,5-PIPERAZINEDIONE | C8H14N2O2 | Mass Spec | Chemical | MassBank | |
| 3-ISOBUTYL-5-METHYLBICYCLO(4.3.0)NON-2-EN-9-OL | C14H24O | Mass Spec | Chemical | MassBank | |
| 3-ISOPROPENYL-5-(2-METHYL-1-TRIMETHYLSILYLMETHYL-2-PROPENYL)-5-METHYLCYCLOHEXANONE | C18H32OSi | Mass Spec | Chemical | MassBank | |
| 3-ISOPROPENYL-6-METHYL-5-(1-TRIMETHYLSILYLMETHYL-2-PROPENYL)CYCLOHEXANONE | C17H30OSi | Mass Spec | Chemical | MassBank | |
| 3-ISOPROPENYL-6-METHYL-5-(6-METHYL-2-METHYLENE-1-TRIMETHYLSILYLMETHYL-5-HEPTENYL)CYCLOHEXANONE | C23H40OSi | Mass Spec | Chemical | MassBank | |
| 3-ISOPROPYL-2,5-PIPERADINEDIONE | C7H12N2O2 | Mass Spec | Chemical | MassBank | |
| 3-ISOPROPYL-2,5-PIPERAZINEDIONE | C7H12N2O2 | Mass Spec | Chemical | MassBank | |
| 3-ISOPROPYL-6,10-DIMETHYLUNDECANE-2-OL | C16H34O | Mass Spec | Chemical | MassBank | |
| 3-ISOPROPYL-6,10-DIMETHYLUNDECANE-2-ONE | C16H32O | Mass Spec | Chemical | MassBank | |
| 3-ISOPROPYL-6-METHYL-2,5-PIPERAZINEDIONE | C8H14N2O2 | Mass Spec | Chemical | MassBank | |
| 3-ISOQUINOLONE | C9H7NO | Mass Spec | Chemical | MassBank | |
| 3-ISOQUINOLYLMETHYL 2-METHYLBENZOATE | C18H15NO2 | Mass Spec | Chemical | MassBank | |
| 3-Indoleacetic acid | C10H9NO2 | Mass Spec | Chemical | MassBank | |
| 3-Indoleacetonitrile | C10H8N2 | Mass Spec | Chemical | MassBank | |
| 3-Indolebutyrate | C12H13NO2 | Mass Spec | Chemical | MassBank | |
| 3-Indolepropionic acid | C11H11NO2 | Mass Spec | Natural product | MassBank | |
| 3-Indolylacetonitrile | C10H8N2 | Mass Spec | Natural product | MassBank | |
| 3-Indoxyl sulfate | C8H7NO4S | Mass Spec | Chemical | MassBank | |
| 3-Indoxylsulfate | C8H7NO4S | Mass Spec | Chemical | MassBank | |
| 3-Iodoprop-2-yn-1-yl butylcarbamate | C8H12INO2 | Mass Spec | Pesticide | MassBank | |
| 3-Iodopropynyl butylcarbamate | C8H12INO2 | Mass Spec | Environmental | MassBank | |
| 3-Iodotyrosine | C9H10INO3 | Mass Spec | Chemical | MassBank | |
| 3-Ketocholanic Acid | C24H38O3 | Mass Spec | Chemical | MassBank | |
| 3-MERCAPTOPROPIONIC ACID | C3H6O2S | Mass Spec | Chemical | MassBank | |
| 3-MESYLBENZYL BENZOATE | C15H14O4S | Mass Spec | Chemical | MassBank | |
| 3-METHOXY-1-BUTANOL | C5H12O2 | Mass Spec | Chemical | MassBank | |
| 3-METHOXY-17-METHYL-MORPHINAN | C18H25NO | Mass Spec | Chemical | MassBank | |
| 3-METHOXY-2,6-DIMETHYL-(6R)-((2R)-2-METHYLBUTYRYLOXY)-5-(4-NITROBENZOYLOXY)-2,4-CYCLOHEXADIEN-1-ONE | C21H23NO8 | Mass Spec | Chemical | MassBank |