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        1. The company has achieved ISO9001-2008 quality management system certification; ISO14001-2004 environmental management system certification;
          Beijing Chengyu Specialty Chemical Co., Ltd. Beijing Chengyu Specialty Chemical Co., Ltd. English
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          ADD:Shilou Town, Fangshan District, Beijing
          Indole and its derivatives
          Quinoline and its derivatives
          Imidazole and its derivatives
          Functional Materials
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          No.

          Products name CAS Rn Chemical structure Order
          D004 2-Methyl Naphthothiazole 2682-45-3 2-甲基萘并噻唑 Order
          D301 3-Methylthiophene 616-44-4 3-甲基噻吩 Order
          D402 4-(Diethylamino)salicylaldehyde 17754-90-4 4-(二乙氨基)水楊醛 Order
          D501 5-Formyl salicylic acid methyl ester 41489-76-3 5-甲?;畻钏峒柞? Order
          D002 N-Methyldiphenylamine 552-82-9 N-甲基二苯胺 Order
          D001 p-Chloranil 118-75-2 四氯苯醌 Order
          D401 4-Nitro phenylhydrazine hydrochloride 636-99-7 對硝基苯肼鹽酸鹽 Order
          D003 Acetophenone 98-86-2 苯乙酮 Order


          8 Records

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