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 | ||
|---|---|---|---|---|---|
| 1-Chloro-2-hydroxypropane-3-sulfonic acid | C3H7ClO4S | Mass Spec | Chemical | MassBank | |
| 1-Chloro-3-(2-((1R,2R)-2-methyl-2-phenylcyclopropyl)ethynyl)benzene | C18H15Cl | Mass Spec | Chemical | MassBank | |
| 1-Chloro-4-(2-((1R,2R)-2-methyl-2-phenylcyclopropyl)ethynyl)benzene | C18H15Cl | Mass Spec | Chemical | MassBank | |
| 1-Chlorobenzotriazole | C6H4ClN3 | Mass Spec | Environmental | MassBank | |
| 1-Cyclohexyl-3-(2-methylphenyl)urea | C14H20N2O | Mass Spec | Chemical | MassBank | |
| 1-Cyclohexyl-3-ethylurea | C9H18N2O | Mass Spec | Chemical | MassBank | |
| 1-Cyclohexylpyrrolidin-2-one | C10H17NO | Mass Spec | Chemical | MassBank | |
| 1-DECANOL | C10H22O | Mass Spec | Chemical | MassBank | |
| 1-DECENE | C10H20 | Mass Spec | Chemical | MassBank | |
| 1-DECENE-1,10-DICARBOXYLIC ACID BIS(TRIMETHYLSILYL) ESTER | C18H36O4Si2 | Mass Spec | Chemical | MassBank | |
| 1-DEHYDROTESTOSTERONE BENZOATE | C26H30O3 | Mass Spec | Chemical | MassBank | |
| 1-DEHYDROTESTSTERONE ACETATE | C21H28O3 | Mass Spec | Chemical | MassBank | |
| 1-DEHYDROXYTESTSTERONE | C19H26O2 | Mass Spec | Chemical | MassBank | |
| 1-DICHLOROMETHYLSILYL-3-TRIMETHYLSILYLPROPANE | C7H18Cl2Si2 | Mass Spec | Chemical | MassBank | |
| 1-DIETHOXYPHOSPHORYL-3-NONEN-2-ONE | C13H25O4P | Mass Spec | Chemical | MassBank | |
| 1-DIETHOXYPHOSPHORYL-4-HYDROXY-2,5-HEXANEDIONE | C10H19O6P | Mass Spec | Chemical | MassBank | |
| 1-DIETHOXYPHOSPHORYL-4-HYDROXY-4-METHOXYCARBONYLBUTAN-2-ONE | C10H19O7P | Mass Spec | Chemical | MassBank | |
| 1-DIETHOXYPHOSPHORYL-4-HYDROXY-NONAN-2-ONE | C13H27O5P | Mass Spec | Chemical | MassBank | |
| 1-DIETHOXYPHOSPHORYL-4-PHENYL-3-BUTEN-2-ONE | C14H19O4P | Mass Spec | Chemical | MassBank | |
| 1-DIETHYL(2-PHENYLETHYNYL)SILYL-2-DIETHYLSILYLBENZENE | C22H30Si2 | Mass Spec | Chemical | MassBank | |
| 1-DIMETHYLAMINO-2-PROPANOL | C5H13NO | Mass Spec | Chemical | MassBank | |
| 1-DIMETHYLSILYL-3-DIMEHYLSILYLPROPANE (D8) | C7H20Si2 | Mass Spec | Chemical | MassBank | |
| 1-DIMETHYLSILYL-3-DIMETHYLSILYLPROPANE (D6) | C7H20Si2 | Mass Spec | Chemical | MassBank | |
| 1-DOCOSANOL | C22H46O | Mass Spec | Chemical | MassBank | |
| 1-DOCOSENE | C22H44 | Mass Spec | Chemical | MassBank | |
| 1-DODECENE | C12H24 | Mass Spec | Chemical | MassBank | |
| 1-DODECYL-3,5-DIMETHYLPYRAZOLE | C17H32N2 | Mass Spec | Chemical | MassBank | |
| 1-Decanoyl-2-hydroxy-sn-glycero-3-phosphocholine | [C18H39NO7P]+ | Mass Spec | Lipid | MassBank | |
| 1-Dehydrotestosterone | C19H26O2 | Mass Spec | Chemical | MassBank | |
| 1-Dodecanamine | C12H27N | Mass Spec | Chemical | MassBank | |
| 1-Dodecyl-2-pyrrolidinone | C16H31NO | Mass Spec | Environmental | MassBank | |
| 1-EICOSENE | C20H40 | Mass Spec | Chemical | MassBank | |
| 1-ETHOXY-1-(TRANS-3-HEXENYLOXY)ETHANE | C10H20O2 | Mass Spec | Chemical | MassBank | |
| 1-ETHOXY-3-METHYL-2-BUTENE | C7H14O | Mass Spec | Chemical | MassBank | |
| 1-ETHOXY-3-TRIMETHYLSILYL-2-PROPANONE | C8H18O2Si | Mass Spec | Chemical | MassBank | |
| 1-ETHOXY-4-NITROBENZENE | C8H9NO3 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-1,2,2-TRIMETHYLDISILANE | C5H16Si2 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-1,2,2-TRIMETHYLDISILANE (1,2-D2) | C5H16Si2 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-1,3,3-TRIMETHYL-1,2,3,4-TETRAHYDRO-GAMMA-CARBOLINE | C16H22N2 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-1,3,3-TRIMETHYL-5-(1-METHYL-3-PROPANAL)INDAN | C18H26O | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-1-ISOBUTYLHYDRAZINE | C6H16N2 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-1-METHYLHEPTYL ACETATE | C12H24O2 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-1-PHENYLHYDRAZINE | C8H12N2 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-2,2,6,6-TETRAMETHYL-2,6-DISILAPIPERIDINE | C9H23NSi2 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-2,3-DIMETHYLBENZENE | C10H14 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-2,4-DIMETHYLBENZENE | C10H14 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-2,5-DIMETHYLBENZENE | C10H14 | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-2-METHYL-DIHYDROINDOLE | C11H15N | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-2-METHYLPYRROLIDINE | C7H15N | Mass Spec | Chemical | MassBank | |
| 1-ETHYL-3,4-DIMETHYLBENZENE | C10H14 | Mass Spec | Chemical | MassBank |