How to Use this Library

  • Full & Truncated CAS Number - To obtain an exact Chemical compound enter a full CAS registry number of the compound in the Search box. In the instance where only the truncated part of the CAS registry number is available, enter the truncated part in the search box and you will receive a list of hits with that truncation.

  • Chemical Name Search - Because chemical names vary significantly, chemical name searches are frequently inconclusive. For this reason, our search engine is designed to provide a nested result. For example, if you are searching for an acid and do not know its CAS Number, executing a search with just the term acid in the Search box will result in a list of all available compounds in the Library with the term acid in their name. Likewise, executing a search with the term alpha in the Search box will produce a list of all entries in which this term occurs. Similarly, if the product you are looking for is Pyridine, you can enter the word Pyrid in the search box and you will receive a list of all Pyridines.

  • Molecular Formula - Expressed as CtHxNyOwSz where t, x, y, w, z represent, respectively, the integer corresponding to the number of atoms of that element in the Molecular Formula, for example: C22H32NO2.

Note that, as with a term that is part of the chemical name, e.g., acid as discussed above, you can alternatively enter a truncation of the chemical formula, e.g., NO2, or a truncation of the CAS Number, e.g., -32.

Note, however, that you cannot simultaneously execute a search using two or more truncated terms, e.g. you cannot search for a truncated CAS Number and a truncated chemical name and/or truncated molecular formula. Thus, specifying -32 and NO2 will not return any results even if there is a compound with -32 in the CAS Number and NO2 in the formula.

In addition to searching, you can also filter your results by chemical class by selecting a chemical class from the pull-down. For example, type acid in the search box and then select Lipids from the pull-down to find all Lipid compounds that have acid as part of their name. If you leave the Search Box empty, you can use the chemical class filter to find all compounds in a class.

Rare Phytochemical Class   Search
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Rare Phytochemical ClassCompoundCAS NumberChemical StructureMolecular FormulaMolecular WeightDescriptionRequest a Quote
Chalcones 2',4'-Dihydroxy-2,3',6'-trimethoxychalcone 100079-39-8 C18H18O6 330.3 Yellow powder
Chalcones 2',4'-Dihydroxy-3',6'-dimethoxychalcone 129724-43-2 C17H16O5 300.3 Yellow powder
Chalcones 2',4'-Dihydroxy-3',6'-dimethoxydihydrochalcone 54299-52-4 C17H18O5 302.3 Powder
Chalcones 2',4'-Dihydroxy-4,6'-dimethoxydihydrochalcone 75679-58-2    
Chalcones 2-Hydroxy-3,4,5,6-tetramethoxychalcone 219298-74-5    
Chalcones 2'-O- Methylisoliquiritigenin 51828-10-5 C16H14O4 270.3 Yellow powder
Chalcones 2'-O-Methylhelichrysetin 123316-64-3    
Chalcones 3'-Methyl-4-O-methylhelichrysetin 109471-13-8    
Chalcones 3'-Methylflavokawin 1044743-35-2    
Chalcones 4-O-Methylbutein 13323-67-6    
Chalcones 4-O-Methylhelichrysetin 56121-44-9    
Chalcones Asebogenin 520-42-3    
Chalcones Asebotin 11075-15-3    
Chalcones Bisdemethoxycurcumin 33171-05-0 C19H16O4 308.33 Powder
Chalcones Butein 487-52-5 C15H12O5 272.3 Yellow powder
Chalcones Calyxin B 164991-53-1 C35H34O8 582.7 Yellow powder
Chalcones Calyxin H 202596-22-3 C35H34O7 566.7 Yellow powder
Chalcones Cardamonin 19309-14-9 C16H14O4 270.3 Yellow powder
Chalcones Carnosic Acid 3650-09-7 C20H28O4 332.43 Powder
Chalcones Dihydropashanone 41997-41-5    
Chalcones Dihydropedicin 169234-89-3    
Chalcones Dorsmanin A 162229-27-8    
Chalcones Echinatin 34221-41-5    
Chalcones Ethyllucidone 1195233-59-0    
Chalcones Flavokavain A 37951-13-6 C18H20O5 316.36 Powder
Chalcones Flavokawain A 3420-72-2 C18H18O5 314.3 Yellow powder
Chalcones Helichrysetin 62014-87-3 C16H14O5 286.3 Yellow powder
Chalcones Isobavachalcone 20784-50-3    
Chalcones Isobavachromene 56083-03-5    
Chalcones Isodorsmanin A 118266-99-2    
Chalcones Isoliquiritigenin 961-29-5 C15H12O4 256.3 Yellow powder
Chalcones Linderone 1782-79-2 C16H14O5 286.3 Orange cryst.
Chalcones Lucidone 19956-53-7 C15H12O4 256.3 Powder
Chalcones Methyllinderone 3984-73-4 C17H16O5 300.3 Orange cryst.
Chalcones Methyllucidone 19956-54-8 C16H14O4 270.3 Yellow powder
Chalcones Morachalcone A 76472-88-3 C20H20O5 340.4 Yellow powder
Chalcones NA NA C32H36O7 432.6 Powder
Chalcones NA NA C16H16O7 320.3 Powder
Chalcones NA NA C35H34O7 566.7 Yellow Powder
Chalcones NA NA C32H36O6 516.6 Yellow Powder
Chalcones NA NA C34H40O6 544.7 Yellow Powder
Chalcones NA NA C32H36O7 532.6 Yellow Powder
Chalcones NA NA C35H34O8 582.7 Yellow Powder
Chalcones NA NA C25H22O7 434.7 Oil
Chalcones Naringin Dihydrochalcone 18916-17-1 C27H34O14 612.58 Powder
Chalcones Pashanone 42438-78-8 C17H16O5 300.3 Orange cryst.
Chalcones Pedicin 521-51-7    
Chalcones Pinocembrin chalcone 4197-97-1    
Chalcones Pinostrobin chalcone 18956-15-5 C16H14O4 270.3 Yellow powder
Chalcones p-Phlorizin 4192-90-9 C21H24O10 436.4 Powder
Chalcones Robtein 2679-65-4    
Chalcones Sappanchalcone 94344-54-4    
Chalcones Sarcandrone A 1190225-47-8 C33H30O8 554.6 Yellow powder
Chalcones Sarcandrone B 1190225-48-9 C33H30O8 554.6 Yellow powder
Chalcones Sulfuretin 120-05-8    
Chalcones Trilobatin 2''-acetate 647853-82-5    
Chalcones Xanthohumol 569-83-5 C21H22O5 354.4 Yellow powder
Chalcones Xanthohumol D 274675-25-1 C21H22O6 370.4 Yellow powder