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
2-BUTYL-4-ETHYL-5-METHYLOXAZOLE	C10H17NO	Mass Spec	Chemical	MassBank
2-BUTYL-4-METHYLTHIAZOLE	C8H13NS	Mass Spec	Chemical	MassBank
2-BUTYL-8-METHYL-1,2,3,4-TETRAHYDRO-GAMMA-CARBOLINE	C16H22N2	Mass Spec	Chemical	MassBank
2-BUTYLAMINE	C4H11N	Mass Spec	Chemical	MassBank
2-BUTYLCYCLOHEXANONE	C10H18O	Mass Spec	Chemical	MassBank
2-BUTYLCYCLOPENANONE	C9H16O	Mass Spec	Chemical	MassBank
2-BUTYLFURAN	C8H12O	Mass Spec	Chemical	MassBank
2-BUTYLPYRIDINE	C9H13N	Mass Spec	Chemical	MassBank
2-BUTYLTHIOPHENE	C8H12S	Mass Spec	Chemical	MassBank
2-BUTYN-1-OL	C4H6O	Mass Spec	Chemical	MassBank
2-BUTYRYLFURAN	C8H10O2	Mass Spec	Chemical	MassBank
2-BUTYRYLTHIOPHENE	C8H10OS	Mass Spec	Chemical	MassBank
2-Benzothiazolesulfonic acid	C7H5NO3S2	Mass Spec	Environmental	MassBank
2-Benzyl-2-(dimethylamino)-1-[4-(morpholin-4-yl)phenyl]butan-1-one	C23H30N2O2	Mass Spec	Chemical	MassBank
2-Benzyl-4-chlorophenol	C13H11ClO	Mass Spec	Pesticide	MassBank
2-Benzylimidazole	C10H12N2	Mass Spec	Pharmaceutical	MassBank
2-Bromo-3-(S)-2-methylbutyl-5-iodothiophene	C9H12BrIS	Mass Spec	Chemical	MassBank
2-Bromo-4,6-dinitroaniline	C6H4BrN3O4	Mass Spec	Chemical	MassBank
2-Bromoallyl 2,4,6-tribromophenyl ether	C9H6Br4O	Mass Spec	Natural product	MassBank
2-Butenedioic acid (2Z)-, dioctyl ester	C20H36O4	Mass Spec	Chemical	MassBank
2-Butoxyethyl hydrogensulphate	C6H14O5S	Mass Spec	Chemical	MassBank
2-Butyl-1-2-benzisothiazolin-3-one	C11H13NOS	Mass Spec	Environmental	MassBank
2-CARBOXY-5-OCTYLPYRIDINE 1-OXIDE	C14H21NO3	Mass Spec	Chemical	MassBank
2-CARBOXYMETHYL-6-CHLORO-2-METHYL-3,4-DIHYDRO-2H-1-BENZOPYRAN	C12H13ClO3	Mass Spec	Chemical	MassBank
2-CHLORO-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE	C4HClF6	Mass Spec	Chemical	MassBank
2-CHLORO-1,1-BIS(ETHOXYCARBONYLAMINO)-ETHANE	C8H15ClN2O4	Mass Spec	Chemical	MassBank
2-CHLORO-1-PHENYL-2-BUTENE	C10H11Cl	Mass Spec	Chemical	MassBank
2-CHLORO-10-(3-(4-METHYL-1-PIPERAZINYL)PROPYL)PHENOTHIAZINE	C20H24ClN3S	Mass Spec	Chemical	MassBank
2-CHLORO-3-HYDROXY-3-METHYLBUTYL ACETATE	C7H13ClO3	Mass Spec	Chemical	MassBank
2-CHLORO-3-METHYL-3-BUTENYL ACETATE	C7H11ClO2	Mass Spec	Chemical	MassBank
2-CHLORO-4,6-BIS(4-METHOXYPHENYL)PYRIMIDINE	C18H15ClN2O2	Mass Spec	Chemical	MassBank
2-CHLORO-4,6-BIS(ETHYLAMINO)-1,3,5-TRIAZINE	C7H12ClN5	Mass Spec	Chemical	MassBank
2-CHLORO-4-(2-HYDROXYPHENYL)PYRIMIDINE	C10H7ClN2O	Mass Spec	Chemical	MassBank
2-CHLORO-4-(4-FLUOROPHENYL)PYRIMIDINE	C10H6ClFN2	Mass Spec	Chemical	MassBank
2-CHLORO-4-(ORTHO-CHLOROPHENYL)-2-SILABUTANE	C9H12Cl2Si	Mass Spec	Chemical	MassBank
2-CHLORO-4-NITROBENZOIC ACID METHYL ESTER	C8H6ClNO4	Mass Spec	Chemical	MassBank
2-CHLORO-4-QUINOLINECARBOXYLIC ACID TRIMETHYLSILYL ESTER	C13H14ClNO2Si	Mass Spec	Chemical	MassBank
2-CHLORO-5-DIMETHYLAMINOMETHYLENEAMINOPYRIMIDINE	C7H9ClN4	Mass Spec	Chemical	MassBank
2-CHLORO-5-NITROBENZOIC ACID METHYL ESTER	C8H6ClNO4	Mass Spec	Chemical	MassBank
2-CHLORO-5-NITROPYRIDINE	C5H3ClN2O2	Mass Spec	Chemical	MassBank
2-CHLORO-6-METHOXYPYRIDINE	C6H6ClNO	Mass Spec	Chemical	MassBank
2-CHLORO-N-(2-(DIETHYLAMINO)ETHYL)-4-QUINOLINECARBOXAMIDE	C16H20ClN3O	Mass Spec	Chemical	MassBank
2-CHLORO-N-(2-(ETHYLAMINO)ETHYL)-4-QUINOLINECARBOXAMIDE	C16H20ClN3O	Mass Spec	Chemical	MassBank
2-CHLOROBENZOIC ACID	C7H5ClO2	Mass Spec	Chemical	MassBank
2-CHLOROBENZOIC ACID METHYL ESTER	C8H7ClO2	Mass Spec	Chemical	MassBank
2-CHLOROBENZOPHENONE	C13H9ClO	Mass Spec	Chemical	MassBank
2-CHLOROBENZYL BENZOATE	C14H11ClO2	Mass Spec	Chemical	MassBank
2-CHLOROBUTANE	C4H9Cl	Mass Spec	Chemical	MassBank
2-CHLOROETHYL PHENYL ETHER	C8H9ClO	Mass Spec	Chemical	MassBank
2-CHLOROETHYL VINYL ETHER	C4H7ClO	Mass Spec	Chemical	MassBank

Reference Spectral Library

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