4,7-Dibromo-1H-indole-2,3-dione

Superiority:

Zhejiang Jiuzhou Chem Co.,Ltd is a foreign trading company, specializing in developing and producing Organic intermediate . It has its own factory, which procures itself a competitive edge in market.

For many years, our company has won many clients' support and trust because it always strives to make high-quality merchandise with favorable price. It commits itself to satisfy every clients, in return, our customer show great confidence and respect for our company. In spite of so many loyal customers won these years, Jiuzhou keeps modest all the time and strives to better itself from every aspect.

We are looking forward to cooperating with you and having a win-win relationship with you. Please rest assured that we will satisfy you. Just feel free to contact me.

Zhejiang Jiuzhou Chem Co.,Ltd Peptide has a 900m2 GMP plant workshop for polypeptide Purification equipment, freeze-drying and packaging in-line; it has established a strict quality management system, and built a GMP workshop in accordance with international standards, and a high-quality quality management team, SOP operation are strictly followed to bring out the company's effective quality assurance system.

Zhejiang Jiuzhou Chem Co.,Ltd has a 900m2 GMP plant workshop for polypeptide Purification equipment, freeze-drying and packaging in-line; it has established a strict quality management system, and built a GMP workshop in accordance with international standards, and a high-quality quality management team, SOP operation are strictly followed to bring out the company's effective quality assurance system.

It has many sets of large Solid-phase and Liquid-phase  Reactors，six sets of preparative HPLC system over 150mm, more than 20 sets of analytical HPLC system and many sets of Agilent HPLC （High Performance Liquid Chromatography, American waters HPLC, mass spectrometer.

Top-notch peptide synthesis and purification technology, built a fast and high-throughput peptide synthesis platform, several hundred thousand of peptides banks.

It can synthesize 2-120 amino acids, purity of 99% cosmetic beauty peptide, annual production capacity (lyophilized powder) more than 100 kg.

The company can satisfy the needs from different customers, provide customized services for universities and pharmaceutical research institutions, and can provide a variety of peptide modification services for customers.

Such as Isotope labeling (2H, 15N, 13C), PEG modification, disulfide bonds, KLH, BSA, OVA peptide-coupled modification; Modification of peptide such as acetylation, amination, methylation, biotin labeling, fluorescence, etc. The beauty peptides developed and produced by the company include: anti-wrinkle and anti-aging, whitening and Anti-Spot, tighten and repairing, soothing and anti-allergic, promoting hair growth, promoting hair turning black, removing eye bags and dark circles, breast enhancement and slimming and etc.

The core team of Zhejiang Jiuzhou Chem Co.,Ltd is composed of senior experts and professors with more than 20 years of experience in the R&D and production of peptides. It has first-class liquid phase synthesis and solid phase synthesis technology, as well as mature and leading separation and purification technology, we are able to provide customers with various peptide-related technical services and products such as peptides technology development, drug R&D, custom synthesis, beauty polypeptides etc.

With independent intellectual property rights——The patented technology of polypeptide separation and purification, improves the market competitiveness of products greatly, Becomes a high-quality partner of many pharmaceutical factories, research institutes, universities and multinational companies in the daily chemical industry.

In accordance with the spirit of Honest and pragmatic, pioneering and innovative, improving constantly, leading Leon Biotech's higher and farther development.

Hard-earned, serve customers with quality, head-up, Create future with technology.