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 | ||
|---|---|---|---|---|---|
| b-Lactose | C12H22O11 | Mass Spec | Natural product | MassBank | |
| b-Leucine | C6H13NO2 | Mass Spec | Chemical | MassBank | |
| b-N-Methyl-amino-L-alanine | C4H10N2O2 | Mass Spec | Natural product | MassBank | |
| b-Zearalanol | C18H26O5 | Mass Spec | Environmental | MassBank | |
| bDPME | C26H22O | Mass Spec | Natural product | MassBank | |
| bEHTP | C24H38O4 | Mass Spec | Natural product | MassBank | |
| beachcast white foam sheet PLAS251 | — | Raman | Environmental | MBARI Ocean Polymers | |
| beta,beta-Carotene-2,2'-diol | C40H56O2 | Mass Spec | Natural product | MassBank | |
| beta,gamma-Carotene | C40H56 | Mass Spec | Natural product | MassBank | |
| beta-Alanine | C3H7NO2 | Mass Spec | Natural product | MassBank | |
| beta-BHC | C6H6Cl6 | Mass Spec | Pesticide | MassBank | |
| beta-Butyrolactone | C4H6O2 | Mass Spec | Chemical | MassBank | |
| beta-Carotene | C40H56 | Mass Spec | Chemical | MassBank | |
| beta-Carotene-3,4,3'4'-tetrol | C40H56O4 | Mass Spec | Chemical | MassBank | |
| beta-Carotene-5,6,5'6'-diepoxide | C40H56O2 | Mass Spec | Chemical | MassBank | |
| beta-Carotene-5,6,5'8'-diepoxide | C40H56O2 | Mass Spec | Chemical | MassBank | |
| beta-Carotene-5,6-epoxide | C40H56O | Mass Spec | Chemical | MassBank | |
| beta-Carotene-5,8,5'8'-diepoxide | C40H56O2 | Mass Spec | Chemical | MassBank | |
| beta-Carotenone | C40H56O4 | Mass Spec | Chemical | MassBank | |
| beta-Chlorfenvinphos | C12H14Cl3O4P | Mass Spec | Pesticide | MassBank | |
| beta-Cryptoxanthin | C40H56O | Mass Spec | Chemical | MassBank | |
| beta-Cryptoxathin-5',6'-epoxide | C40H56O2 | Mass Spec | Chemical | MassBank | |
| beta-Cryptoxathin-5',8'-epoxide | C40H56O2 | Mass Spec | Chemical | MassBank | |
| beta-Cryptoxathin-5,6,5',6'-diepoxide | C40H56O3 | Mass Spec | Chemical | MassBank | |
| beta-Cryptoxathin-5,6,5',8'-diepoxide | C40H56O3 | Mass Spec | Chemical | MassBank | |
| beta-Cryptoxathin-5,6-epoxide | C40H56O2 | Mass Spec | Chemical | MassBank | |
| beta-Cryptoxathin-5,8-epoxide | C40H56O2 | Mass Spec | Chemical | MassBank | |
| beta-Cyano-L-Alanine | C4H6N2O2 | Mass Spec | Natural product | MassBank | |
| beta-D-(+)-Glucose | C6H12O6 | Mass Spec | Natural product | MassBank | |
| beta-D-Fructose 6-phosphate | C6H13O9P | Mass Spec | Natural product | MassBank | |
| beta-D-Glucan | C18H32O16 | Mass Spec | Natural product | MassBank | |
| beta-D-Glucopyranose,1-thio-,1-(5-(methylsulfinyl)-N-(sulfooxy)-4-pentenimidate | C12H21NO11S3 | Mass Spec | Natural product | MassBank | |
| beta-D-Lactose | C12H22O11 | Mass Spec | Chemical | MassBank | |
| beta-Estradiol | C18H24O2 | Mass Spec | Chemical | MassBank | |
| beta-Glutamic acid | C5H9NO4 | Mass Spec | Natural product | MassBank | |
| beta-Hexabromocyclododecane | C12H18Br6 | Mass Spec | Natural product | MassBank | |
| beta-Ketoadipic acid | C6H8O5 | Mass Spec | Natural product | MassBank | |
| beta-Lapachone | C15H14O3 | Mass Spec | Natural product | MassBank | |
| beta-Nicotinamide adenine dinucleotide | [C21H28N7O14P2]+ | Mass Spec | Chemical | MassBank | |
| beta-Nicotinamide mononucleotide | C11H15N2O8P | Mass Spec | Natural product | MassBank | |
| beta-Phenylpyruvic acid | C9H8O3 | Mass Spec | Natural product | MassBank | |
| beta-Pinene | C10H16 | Mass Spec | Chemical | MassBank | |
| beta-Tocopherol | C28H48O2 | Mass Spec | Lipid | MassBank | |
| beta-Tocotrienol | C28H42O2 | Mass Spec | Lipid | MassBank | |
| beta-Zeacarotene | C40H58 | Mass Spec | Natural product | MassBank | |
| bis(2-Butoxyethyl)phthalate | C20H30O6 | Mass Spec | Natural product | MassBank | |
| bis(2-ethylhexyl)amine | C16H35N | Mass Spec | Environmental | MassBank | |
| bisFBSI | C8HF18NO4S2 | Mass Spec | Environmental | MassBank | |
| bis[4-(dimethylamino)phenyl]-[4-(methylamino)phenyl]methanol | C24H29N3O | Mass Spec | Natural product | MassBank | |
| blue fragment PLAS253 | — | Raman | Pristine | MBARI Ocean Polymers |