Molecule of the Day

 

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What molecule am I?

Urobilin
nomenclature: 21H-Biline-8,12-dipropanoic acid, 3,18-diethyl-1,4,5,15,16,19,22,24-octahydro-2,7,13,17-tetramethyl-1,19-dioxo-
Empirical formula: C₃₃H₄₂N₄O_{6
Molar mass: 590.71 g/mol
Appearance: Yellow crystals
Melting point: 236 ºC
Water solubility: Soluble}