Poly(1H-benzimidazole-2,5-diylmethylene-1H-benzimidazole-5,2-diyl-1,3-phenylene)   Product ID: AC-1655130 Product Name: Poly(1H-benzimidazole-2,5-diylmethylene-1H-benzimidazole-5,2-diyl-1,3-phenylene) CAS: 28702-20-7 Molecular Formula: C21H14N4 MW: 322.36266 Appearance: Assay: Hazard Symbols: N/A Request For Quotation Email:sales@abichem.com

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