Poly([5,5'-bi-1H-benzimidazole]-2,2'-diyl-1,3-phenylene)   Product ID: AC-0722252 Product Name: Poly([5,5'-bi-1H-benzimidazole]-2,2'-diyl-1,3-phenylene) CAS: 108820-72-0 Molecular Formula: C20H12N4 MW: 308.33608 Appearance: Assay: Hazard Symbols: N/A Request For Quotation Email:sales@abichem.com

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