1·OBJECTIVE To establish a HPLC method for determining the content of promethazine hydrochloride in promethazine hydrochloride syrup.
目的建立高效液相色谱法测定盐酸异丙嗪糖浆中盐酸异丙嗪的含量。
2·Conclusions: This method was simple and fast and reproducible, and it can be used for quality control of promethazine Hydrochloride syrup.
结论：本测定方法简便、快速、准确，重复性好，可以有效控制盐酸异丙嗪糖浆的含量。
3·Pharmaceutical Intermediates species: Sodium Cyanate, Potassium Cyanate, Subsalt of Heat Treatment, the Main Ring of Promethazine Hydrochloride, Promethazine Hydrochloride Side Chain.
医药中间体种类：氰酸钠、氰酸钾、热处置基盐、盐酸异丙嗪主环、盐酸异丙嗪侧链。