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Biosotop is a leading isotope compounds brand and popular pharmaceutical impurity & standard brand in China .

We belong to Shenzhen Topbatt Chemical Co., Ltd.

We values talent and has many chemical scientists with postdoctoral, doctoral, and master degree.

We focus on quality and we have 600MHz NMR instrument, Liquid Chromatograph and Mass Spectrometer.

We provide our customers not only in-stock products, but also synthesis service according to their request.

We also help our customers to regist their excellent pharmaceutical products in China.

Topbatt is committed to contributing to China pharmaceutical industry.