Browse reference spectra from the USGS Spectral Library Version 7 and other curated sources. Each spectrum includes interactive plots, metadata, and downloadable data.
Have an unknown spectrum? Match it against this entire library with HQI similarity scoring — no install, no data leaves your machine.
Identify My SampleLearn more about how spectral matching works, HQI scoring, and building a personal reference library on the Spectral Library Search page.
| Formula | Modality | Category | Source | ||
|---|---|---|---|---|---|
| 2-PHENYL-2-METHYLPROPIONIC ACID | C10H12O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYL-2-PROPANOL | C9H12O | Mass Spec | Chemical | MassBank | |
| 2-PHENYL-3-BENZOYL-1-AZIRINE | C15H11NO | Mass Spec | Chemical | MassBank | |
| 2-PHENYL-4-METHYL-IMIDAZOLINE | C10H13N2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYL-5-BENZOYL-1,3,4-OXADIAZOLE | C15H10N2O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYL-PHENOL | C12H10O | Mass Spec | Chemical | MassBank | |
| 2-PHENYL-PROPANAL | C9H10O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLACETAMIDE | C8H9NO | Mass Spec | Natural product | MassBank | |
| 2-PHENYLBUTANEDIOIC ACID BIS(TRIMETHYLSILYL) ESTER | C16H26O4Si2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLBUTYRIC ACID | C10H12O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLCYCLOHEXANOL | C12H16O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLCYCLOHEXANONE | C12H14O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLDECANE | C16H26 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLDODECANE | C18H30 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHANOL | C8H10O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL ACETATE | C10H12O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL ALCOHOL | C8H10O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL ALLYL ETHER | C11H14O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL BENZOATE | C15H14O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL BUTYL ETHER | C12H18O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL FORMATE | C9H10O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL ISOPROPYL ETHER | C11H16O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL ISOTHIOCYANATE | C9H9NS | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYL PENTYL ETHER | C13H20O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLETHYLAMINE | C8H11N | Mass Spec | Chemical | MassBank | |
| 2-PHENYLINDOLE | C14H11N | Mass Spec | Chemical | MassBank | |
| 2-PHENYLOXIRANE | C8H8O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLPHENYL ACETATE | C14H12O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLPROPANAL DIMETHYL ACETAL | C11H16O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLPROPANAL ETHYLENE GLYCOL ACETAL | C11H14O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLPROPANOL | C9H12O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLPROPIONALDEHYDE | C9H10O | Mass Spec | Chemical | MassBank | |
| 2-PHENYLPROPIONIC ACID | C9H10O2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLPYRIDINE | C11H9N | Mass Spec | Chemical | MassBank | |
| 2-PHENYLPYRIMIDINE | C10H8N2 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLTHIO-1,4-BUTANEDICARBOXYLIC ACID DIMETHYL ESTER | C12H14O4S | Mass Spec | Chemical | MassBank | |
| 2-PHENYLTRIDECANE | C19H32 | Mass Spec | Chemical | MassBank | |
| 2-PHENYLUNDECANE | C17H28 | Mass Spec | Chemical | MassBank | |
| 2-PICOLINE | C6H7N | Mass Spec | Chemical | MassBank | |
| 2-PICOLYL ACETATE | C8H9NO2 | Mass Spec | Chemical | MassBank | |
| 2-PIPECOLINE | C6H13N | Mass Spec | Chemical | MassBank | |
| 2-PROPANOL | C3H8O | Mass Spec | Chemical | MassBank | |
| 2-PROPENYL 2-AMINOBENZOATE | C10H11NO2 | Mass Spec | Chemical | MassBank | |
| 2-PROPENYL 3-PHENYL-2-PROPENOATE | C12H12O2 | Mass Spec | Chemical | MassBank | |
| 2-PROPENYL BENZOATE | C10H10O2 | Mass Spec | Chemical | MassBank | |
| 2-PROPENYL PHENOXYACETATE | C11H12O3 | Mass Spec | Chemical | MassBank | |
| 2-PROPIONYL-10-(2-DIMETHYLAMINOPROPYL)-PHENOTHIAZINE | C20H24N2OS | Mass Spec | Chemical | MassBank | |
| 2-PROPIONYLFURAN | C7H8O2 | Mass Spec | Chemical | MassBank | |
| 2-PROPIONYLTHIOPHENE | C7H8OS | Mass Spec | Chemical | MassBank | |
| 2-PROPOXYETHANOL | C5H12O2 | Mass Spec | Chemical | MassBank |