Andrographolide CAS NO.5508-58-7

Weiyel was introduced in 2007. It is a high-tech enterprise integrating labeling, production and sales of reference materials and microbial quality control products. It has more than 200 professional laboratory researchers.Weiyel is committed to accurate standard measurement. Our mission is to provide one-stop reference material procurement services and empower basic scientific research and testing application research.
It has independently developed more than 30,000 kinds of reference materials, and its products cover many fields such as food, chemical products, environmental chemistry, microorganisms, geology and minerals, building materials, clinical medicine and pharmaceuticals.
Its brand "BNCC" is a member of the World Federation for Culture Collection (WFCC). It specializes in providing a series of products such as microbial strains, experimental cells, and microbial quality control samples. It also provides customized services such as quantitative strains, competent cells, genomic DNA, and nucleic acid reference products.
Weiyel has many branches and offices around the world including Hong Kong, the United States, and Japan. Currently, it has served 3,000+ testing institutions in more than 60 countries including the United States, Germany, Russia, India, and Indonesia, covering food testing, environmental testing, microbial testing and calibration laboratories, etc.