Product: OS0158, PBDTT-SeDOO, PBDTT-SeDPP, 

 CAS# 1427210-15-8 

Chemical Name: Poly[[2,5-bis(2-butyloctyl)-2,3,5,6-tetrahydro-3,6-dioxopyrrolo[3, 4-c]pyrrole-1,4-diyl]-2,5-selenophenediyl[4,8-bis[5-(2-ethylhexyl) -2-thienyl]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl]-2,5- selenophenediyl] 

 Lot number: YY8078CH 

Appearance: Dark shine purple solid Molecular weight (GPC): 40,000 (Mw, PS Standard) PDI: 2.5 Solubility: Soluble in CHCl3,chlorobenzene (CB), dichlorobenzene(OBCB) 

Purity: 99 +% (basing on trace metals content)