Product:                                              OS0037, J51

CAS #                                                 1393529-03-7

Appearance:                                       Dark blue-purple fine particle

Molecular weight (GPC):                    20,000- 40,000 (Mw, PS Standard)

Polydispersity(PDI):                            2-3

Solubility:                                            Soluble in Chlorobenzene and Dichlorobenzene

Limited soluble in CHCl3

Assay:                                                 98 +% ( basing on NMR)