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-ETHYL-6-METHYL-4H-PYRIDO(1,2-A)PYRIMIDIN-4-ONE | C11H12N2O | Mass Spec | Chemical | MassBank | |
| 3-ETHYLHEXANE | C8H18 | Mass Spec | Chemical | MassBank | |
| 3-ETHYLPENTANE | C7H16 | Mass Spec | Chemical | MassBank | |
| 3-ETHYLPYRIDINE | C7H9N | Mass Spec | Chemical | MassBank | |
| 3-ETHYLQUINOLINE | C11H11N | Mass Spec | Chemical | MassBank | |
| 3-ETHYLTETRAHYDROFURAN | C6H12O | Mass Spec | Chemical | MassBank | |
| 3-ETHYLTOLUENE | C9H12 | Mass Spec | Chemical | MassBank | |
| 3-Ethoxybenzoate | C9H10O3 | Mass Spec | Chemical | MassBank | |
| 3-Ethyl-N-(2-nitrophenyl)aniline | C14H14N2O2 | Mass Spec | Chemical | MassBank | |
| 3-Ethylphenol | C8H10O | Mass Spec | Environmental | MassBank | |
| 3-FORMYL INDOLE | C9H7NO | Mass Spec | Chemical | MassBank | |
| 3-FORMYL-1-METHYLINDOLE | C10H9NO | Mass Spec | Chemical | MassBank | |
| 3-FORMYL-2-BUTEN-1-YL ACETATE | C7H10O3 | Mass Spec | Chemical | MassBank | |
| 3-FORMYL-2-METHYLINDOLE | C10H9NO | Mass Spec | Chemical | MassBank | |
| 3-FORMYLINDOLE | C9H7NO | Mass Spec | Chemical | MassBank | |
| 3-FURYL 1,1-DIMETHYL-2-PROPENYL KETONE | C10H12O2 | Mass Spec | Chemical | MassBank | |
| 3-Fluorobenzoate | C7H5FO2 | Mass Spec | Chemical | MassBank | |
| 3-Gal(1-2)GluA Soyasapogenol B (NMR) | C42H68O14 | Mass Spec | Natural product | MassBank | |
| 3-Glc(1-2)Glc(1-2)Glc-28-Api(1-3)Xyl(1-4)[Api(1-3)]Rha(1-2)Ara Zanhic acid (NMR) | C74H118O42 | Mass Spec | Natural product | MassBank | |
| 3-Glc-Gal-GlcUA-Soyasapogenol B | C48H78O19 | Mass Spec | Natural product | MassBank | |
| 3-GlcA-22-(Glc(1-4)DDMP Soyasapogenol B (NMR) | C48H74O17 | Mass Spec | Natural product | MassBank | |
| 3-GlcA-28-Glc oleanolic acid (NMR) | C42H66O14 | Mass Spec | Natural product | MassBank | |
| 3-GlcA-28-Glc-4-Epi Hederagenin (NMR) | C42H66O15 | Mass Spec | Natural product | MassBank | |
| 3-Glu(1,3)Glu-28-Glu Bayogenin (NMR) | C48H78O20 | Mass Spec | Natural product | MassBank | |
| 3-Glu(1-2)Glu-28-Glu Hederagenin (NMR) | C48H78O19 | Mass Spec | Natural product | MassBank | |
| 3-Glu(1-2)GluA Soyasapogenol B (NMR) | C42H68O14 | Mass Spec | Natural product | MassBank | |
| 3-Glu(1-3)Glu-28-Glu Medicagenic acid (NMR) | C48H76O21 | Mass Spec | Natural product | MassBank | |
| 3-Glu(1-3)Glu-28-Xyl(1-4)Rha(1-2)Ara zanhic acid (NMR) | C58H92O29 | Mass Spec | Natural product | MassBank | |
| 3-Glu(1-3)Glu-28-Xyl(1-4)[Api(1-3)]Rha(1-2)Ara Zanhic acid (NMR) | C63H100O33 | Mass Spec | Natural product | MassBank | |
| 3-Glu(1-3)GluA-28-Xyl(1-4)[Api(1-3)]Rha(1-2)Ara Medicagenic acid (NMR) | C63H98O33 | Mass Spec | Natural product | MassBank | |
| 3-Glu-(1-2)Ara-28-Glu Hederagenin (NMR) | C48H78O17 | Mass Spec | Natural product | MassBank | |
| 3-Glu-28-Glu Medicagenic acid (NMR) | C42H66O16 | Mass Spec | Natural product | MassBank | |
| 3-Glu-28-Glu-Bayogenin (NMR) | C42H68O15 | Mass Spec | Natural product | MassBank | |
| 3-Glu-28-Xyl(1-4)Rha(1-2)Ara Medicagenic acid (NMR) | C52H82O23 | Mass Spec | Natural product | MassBank | |
| 3-Glu-28-Xyl(1-4)[Api(1-3)]Rha(1-2)Ara Medicagenic acid (NMR) | C57H90O27 | Mass Spec | Natural product | MassBank | |
| 3-Glu-3,4',7-trihydroxyisoflavanone (NMR) | C21H22O10 | Mass Spec | Natural product | MassBank | |
| 3-Glu-7-Rha Quercetin (NMR) | C27H30O16 | Mass Spec | Natural product | MassBank | |
| 3-GluA Soyasapogenol B (NMR) | C36H58O9 | Mass Spec | Natural product | MassBank | |
| 3-GluA-28-Xyl(1-4)Rha(1-2)Ara Medicagenic acid (NMR) | C52H80O24 | Mass Spec | Natural product | MassBank | |
| 3-GluA-28-Xyl(1-4)Rha(1-2)Ara Zanhic acid (NMR) | C52H80O25 | Mass Spec | Natural product | MassBank | |
| 3-GluA-28-Xyl(1-4)[Api(1-3)]Rha(1-2)Ara Medicagenic acid (NMR) | C57H88O28 | Mass Spec | Natural product | MassBank | |
| 3-Glucuronyl-22-DDMP Soyasapogenol B (NMR) | C42H64O12 | Mass Spec | Natural product | MassBank | |
| 3-Guanidinopropionic acid | C4H9N3O2 | Mass Spec | Chemical | MassBank | |
| 3-HEPTANONE | C7H14O | Mass Spec | Chemical | MassBank | |
| 3-HEPTENYLTRIMETHYLSTANNANE | C10H22Sn | Mass Spec | Chemical | MassBank | |
| 3-HEPTYL FORMATE | C8H16O2 | Mass Spec | Chemical | MassBank | |
| 3-HEPTYL HEXANOATE | C13H26O2 | Mass Spec | Chemical | MassBank | |
| 3-HEPTYL ISOBUTYRATE | C11H22O2 | Mass Spec | Chemical | MassBank | |
| 3-HEPTYL ISOVALERATE | C12H24O2 | Mass Spec | Chemical | MassBank | |
| 3-HEXADECANONE | C16H32O | Mass Spec | Chemical | MassBank |