Carotenoids obi
All carotenoids     All organisms   Feedback
Carotenoids DB          Carotenoids DB: CA00550   
[   About  |   Help  |   Search carotenoid entry  |   Search organism entry  |   Search similar carotenoids  |   Predict biological activities of this carotenoid  |   Search possible pathways   ]
Entry
CA00550                                                            

Classification
Carotenoid Name
Astaxanthin
IUPAC name 3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione
Formula
C40H52O4
Molecular Weight 
596.816 g/mol
Structure      Search similar carotenoids

Mol file
Carotenoid DB Fingerprints 
Biological functions/Properties 
Number of
conjugated double bonds 
13 including one ketone (13 in total)
Number of
conjugated multiple bonds 
13 including one ketone (13 in total)
Isomers 
InChI
InChI=1S/C40H52O4/c1-27(17-13-19-29(3)21-23-33-31(5)37(43)35(41)25-39(33,7)8)15-11-12-16-28(2)18-14-20-30(4)22-24-34-32(6)38(44)36(42)26-40(34,9)10/h11-24,35-36,41-42H,25-26H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,27-15+,28-16+,29-19+,30-20+
InChIKey
MQZIGYBFDRPAKN-QISQUURKSA-N
Canonical SMILES
C/C(=C\C=C\C=C(\C=C\C=C(\C=C\C1=C(C)C(=O)C(CC1(C)C)O)/C)/C)/C=C/C=C(/C=C/C1=C(C)C(=O)C(CC1(C)C)O)\C
XLogP
9.696
Hydrogen Bond donors
(Lipinski's definition)
2
Hydrogen Bond Acceptors
(Lipinski's definition)
4
LipinskiFailures
1
Complexity of molecule
0.312
Number of heavy atoms
44
TPSA
(Topological Polar Surface Area) 
74.600 Å2
Source organisms
Cladonia sp. (Ref.609) - Fungi: lichen, ascomycetes
References
  • Ref.609 : Prof. Dr. B. Czeczuga and Doz. Dr. R. Doll, Journal of Botanical Taxonomy and Geobatany, Volume 102, Issue 5-6, pages 431–436, 1991, DOI: 10.1002/fedr.19911020518, "The carotenoid content of lichens of the Cladonia genus from Mecklenburg".
  • CAS
    472-61-7
    Links to other DB
    KEGG COMPOUND: C08580
    KNApSAcK: C00000918
    LipidBank: VCA0002
    ProCarDB: C1942

       Search other references with Google Scholar