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| Entry |  | 
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 | Classification |  | 
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 | Carotenoid Name |  | 
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 | IUPAC name | psi,psi-Carotene-4,4'-dione 
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 | Formula | 
C40H52O2
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 | Molecular Weight | 
564.816 g/mol
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 | Structure | Search similar carotenoids 
  Mol file
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 | Carotenoid DB Fingerprints |  | 
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 | Biological functions/Properties | 
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 | Number of conjugated double bonds
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13 including two ketones (13 in total)
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 | Number of conjugated multiple bonds
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13 including two ketones (13 in total)
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 | Isomers | 
Constitutional isomer: CA00281, CA00279, CA00280, CA00283, CA00323, CA00468, CA00471, CA00469, CA00470, CA00467, CA00656, CA00697, CA00698, CA00693, CA01098
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 | InChI | 
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 | InChIKey | 
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 | Canonical SMILES | 
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 | XLogP | 
11.018
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 | Hydrogen Bond donors (Lipinski's definition)
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0
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 | Hydrogen Bond Acceptors (Lipinski's definition)
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2
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 | LipinskiFailures | 
2
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 | Complexity of molecule | 
0.000
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 | Number of heavy atoms | 
42
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 | TPSA (Topological Polar Surface Area)
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34.140 Å2
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 | Reaction | 
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 | Pathway | 
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 | Major carotenoid information | 
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 | Minor carotenoid information | 
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 | Source organisms | 
Myxococcus fulvus  - Deltaproteobacteria: halotolerant marine myxobacterium (Deltaproteobacteria - Myxococcaceae) | 
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 | References | 
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 | CAS | 
-
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 | Links to other DB | 
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