Pyrroloquinoline quinone (PQQ)
Another name:
methoxatin; 4,5-Dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic Acid; 4,5-
dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid
CAS Number: 72909-34-3
Beilstein Reference:3596812
ChEMBL: ChEMBL1235421
Chemical formula; C14H6N2O8
Appearance: orange to red solid
Molar mass330.208 g·mol−1
Density1.963 g/cm3
Melt point: 222 - 224°C
Solubility: DMSO (Slightly), Methanol (Slightly)
Flash point569.8 °C (1,057.6 °F; 842.9 K)
Molar refractive index:71.98
molar volume(m3/mol):168.2
Parachor(90.2K):573.1
surface tension(dyne/cm):134.8
Polarizability(10-24cm3):28.53