Poly(1H-benzimidazole-2,5-diylsulfonyl-1H-benzimidazole-5,2-diyl-1,3-phenylene)   Product ID: AC-1690159 Product Name: Poly(1H-benzimidazole-2,5-diylsulfonyl-1H-benzimidazole-5,2-diyl-1,3-phenylene) CAS: 31989-66-9 Molecular Formula: C20H12N4O2S MW: 372.39988 Appearance: Assay: Hazard Symbols: N/A Request For Quotation Email:sales@abichem.com

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