Profile: Lanzhou Fast Fine Chemical Co., Ltd. offers fine chemical raw materials, pharmaceutical intermediates and chemical reagents. Our pyrazine series include 3-chloro-2,5-dimethylpyrazine, 5-aminopyrazine-2-carboxylic acid, 2-amino-3-ethoxypyrazine, 6-aminopyrazine-2-carboxamide and methyl3-amino-5-(benzylamino). We offer chiral compounds such as (S)-5-(hydroxymethyl) dihydrofuran-2(3H)-one, (S)-5-(hydroxymethyl) dihydrofuran-2(3H)-one and other compounds such as piperidin-2-one, 4...