Product:                                   OS0633-2

Common Name                       Bis-PC70BM

CAS Number                          1048679-01-1

Chemical Name:                     Isomers of -3’H-Cyclopropa[8,25][5,6]fullerene-C70-D5h(6)- Bis 3′-

butanoic acid, -3′-phenyl-, methyl ester

Appearance:                            Dark purple-brown powder

NMR:                                      Confirmed

Purity:                                     98+% (by NMR)

Solubility:                                Soluble in chloroform, chlorobenzene, dichloro-benzene