Reference Spectral Library

Browse reference spectra from the USGS Spectral Library Version 7 and other curated sources. Each spectrum includes interactive plots, metadata, and downloadable data.

	Formula	Modality	Category	Source
1b,3a,12a-Trihydroxy-5b-cholan-24-oic acid	C24H40O5	Mass Spec	Natural product	MassBank
1b,3a,7a,12a-Tetrahydroxy-5b-cholan-24-oic acid	C24H40O6	Mass Spec	Natural product	MassBank
1b,3a,7a-Trihydroxy-5b-cholan-24-oic acid	C24H40O5	Mass Spec	Natural product	MassBank
1b,3a-Dihydroxy-5b-cholan-24-oic acid	C24H40O4	Mass Spec	Natural product	MassBank
1mPFOS	C8HF17O3S	Mass Spec	Natural product	MassBank
2 - Propanol	—	Raman	Pharmaceutical	Pharma Raman 2025
2 3-dihydroflavone	C15H12O2	Mass Spec	Chemical	MassBank
2', 6'-dihydroxy-4-methoxychalcone-4'-O-neohesperidoside	C28H34O14	Mass Spec	Chemical	MassBank
2',2'-Difluoro-2'-deoxyuridine	C9H10F2N2O5	Mass Spec	Environmental	MassBank
2',3',4'-TRIMETHOXYACETOPHENONE	C11H14O4	Mass Spec	Chemical	MassBank
2',3'-DIHYDRO-5,7-DIHYDROXY-2',2'-DIMETHYL-3,6'-BI(4H-1-BENZOPYRAN)-4-ONE	C20H18O5	Mass Spec	Chemical	MassBank
2',3'-DIMETHOXYACETOPHENONE	C10H12O3	Mass Spec	Chemical	MassBank
2',3'-di-O-acetyl-5'-deoxy-5-fluorocytidine	C13H16FN3O6	Mass Spec	Environmental	MassBank
2',4',5'-TRIMETHOXYACETOPHENONE	C11H14O4	Mass Spec	Chemical	MassBank
2',4',5'-Trihydroxybutyrophenone	C10H12O4	Mass Spec	Chemical	MassBank
2',4',6'-TRIMETHOXYACETOPHENONE	C11H14O4	Mass Spec	Chemical	MassBank
2',4',6'-Trihydroxyaceto-phenone	C8H8O4	Mass Spec	Natural product	MassBank
2',4'-DIHYDROXYACETOPHENONE	C8H8O3	Mass Spec	Chemical	MassBank
2',4'-DIMETHOXYACETOPHENONE	C10H12O3	Mass Spec	Chemical	MassBank
2',4'-Dihydroxychalcone	C15H12O3	Mass Spec	Natural product	MassBank
2',5'-DIHYDROXYACETOPHENONE	C8H8O3	Mass Spec	Chemical	MassBank
2',5-DICHLORO-2-(N-METHYLFORMAMIDO)BENZOPHENONE	C15H11Cl2NO2	Mass Spec	Chemical	MassBank
2',5-DICHLORO-2-ACETAMIDOBENZOPHENONE	C15H11Cl2NO2	Mass Spec	Chemical	MassBank
2',6'-DIHYDROXYACETOPHENONE	C8H8O3	Mass Spec	Chemical	MassBank
2',6'-Dihydroxy-4-methoxychalcone-4'-O-neohesperid	C28H34O14	Mass Spec	Natural product	MassBank
2'-ACETAMINOFLAVANONE	C17H15NO3	Mass Spec	Chemical	MassBank
2'-ACETONAPHTHONE	C12H10O	Mass Spec	Chemical	MassBank
2'-Bromo-5-chloro-2-hydroxybenzophenone	C13H8BrClO2	Mass Spec	Chemical	MassBank
2'-Deoxyadenosine	C10H13N5O3	Mass Spec	Environmental	MassBank
2'-Deoxyadenosine 5'-monophosphate	C10H14N5O6P	Mass Spec	Natural product	MassBank
2'-Deoxyadenosine-5'-monophosphate	C10H14N5O6P	Mass Spec	Metabolite	MassBank
2'-Deoxycytidine	C9H13N3O4	Mass Spec	Natural product	MassBank
2'-Deoxycytidine-5'-diphosphate	C9H15N3O10P2	Mass Spec	Metabolite	MassBank
2'-Deoxyguanosine	C10H13N5O4	Mass Spec	Environmental	MassBank
2'-Deoxyguanosine 5'-monophosphate	C10H14N5O7P	Mass Spec	Metabolite	MassBank
2'-Deoxyguanosine-5'-diphosphate	C10H15N5O10P2	Mass Spec	Metabolite	MassBank
2'-Deoxyinosine	C10H12N4O4	Mass Spec	Natural product	MassBank
2'-Deoxyinosine 5'-monophosphate	C10H13N4O7P	Mass Spec	Natural product	MassBank
2'-Deoxyinosine-5'-monophosphate	C10H13N4O7P	Mass Spec	Metabolite	MassBank
2'-Deoxyribose-5'-Phosphate	C5H11O7P	Mass Spec	Natural product	MassBank
2'-Deoxyuridine	C9H12N2O5	Mass Spec	Natural product	MassBank
2'-Deoxyuridine-5'-monophosphate	C9H13N2O8P	Mass Spec	Metabolite	MassBank
2'-HYDROXY-3',4'-DIMETHOXYACETOPHENONE	C10H12O4	Mass Spec	Chemical	MassBank
2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE	C10H12O4	Mass Spec	Chemical	MassBank
2'-HYDROXY-4',6'-DIMETHOXYACETOPHENONE	C10H12O4	Mass Spec	Chemical	MassBank
2'-HYDROXY-4'-METHOXYACETOPHENONE	C9H10O3	Mass Spec	Chemical	MassBank
2'-HYDROXY-5'-METHOXYACETOPHENONE	C9H10O3	Mass Spec	Chemical	MassBank
2'-HYDROXY-5,7-DIMETHYLFLAVANONE	C17H16O3	Mass Spec	Chemical	MassBank
2'-HYDROXY-5,7-DIMETHYLFLAVONOL	C17H14O4	Mass Spec	Chemical	MassBank
2'-HYDROXY-6'-METHOXYACETOPHENONE	C9H10O3	Mass Spec	Chemical	MassBank

Reference Spectral Library

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