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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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)水杨醛 Order
D501 5-Formyl salicylic acid methyl ester 41489-76-3 5-甲酰基水杨酸甲酯 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 对硝基苯肼盐酸盐 Order
D003 Acetophenone 98-86-2 苯乙酮 Order

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