mesobilirubin

[1. A compound differing from bilirubin only in that the vinyl groups of bilirubin are reduced to ethyl groups.

Molecular Formula: C₃₃H₄₀N₄O₆

InChI: InChI=1/C33H40N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h13-14,34-35H,7-12,15H2,1-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b26-13-,27-14-/f/h36-38,40H

InChIKey: InChIKey=HVHKMUMXERBUAN-PNMSQERCDU
SMILES: CCC1=C(C)\C(NC1=O)=C\c2[nH]c(Cc3[nH]c(\C=C4/NC(=O)C(C)=C4CC)c(C)c3CCC(O)=O)c(CCC(O)=O)c2C

CAS number 16568-56-2

Names:
    Mesobilirubin IX alpha
    Mesobilirubin
    mesobilirubin
    mesobilirubin IXα
    mesobilirubin
    16568-56-2
    3-(2-(3-(2-Carboxy-ethyl)-5-(4-ethyl-3-methyl-5-oxo-1,5-dihydro-pyrrol-2-ylidenemethyl)-4-methyl-1H-pyrrol-2-ylmethyl)-5-(3-ethyl-4-methyl-5-oxo-1,5-dihydro-pyrrol-2-ylidenemethyl)-4-methyl-1H-pyrrol-3-yl)-propionic acid
    3-[2-[[3-(2-carboxyethyl)-5-[(Z)-(4-ethyl-3-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl]methyl]-5-[(Z)-(3-ethyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid

Registries:
    PubChem CID 5941884
    Beilstein =75112
    CAS 16568-56-2 (from NIST)
    ChEBI 25208
    PubChem ID 10551925