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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
          Other
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          No.

          Products name CAS Rn Chemical structure Order
          A204 1-Butyl-2-mthylindole 42951-35-9 1-丁基-2-甲基吲哚 Order
          A213 1-Ethyl-2-methylindole 40876-94-6 1-乙基-2-甲基吲哚 Order
          A211 1-Ethyl-2-phenyl indole 13228-39-2 1-乙基-2-苯基吲哚 Order
          A210 1-Methyl-2-Phenyl indole 3558-24-5 1-甲基-2-苯基吲哚 Order
          A313 1-Methyl-2-phenyl -1H- indole- 3-carboxaldehyde 1757-72-8 1-甲基-2-苯基吲哚-3-甲醛 Order
          A519 5-Amino-1-methyl-1H-indole 102308-97-4 1-甲基-5-氨基吲哚 Order
          A517 1-Methyl-5-nitroindole 29906-67-0 1-甲基-5-硝基吲哚 Order
          A604 1-Methyl-6-nitroindole 99549-48-0 1-甲基-6-硝基吲哚 Order
          A101 1-Methylindole 603-76-9 1-甲基吲哚 Order
          A310 1-Methylindole-3-carboxylic acid 32387-21-6 1-甲基吲哚-3-甲酸 Order


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