5-amino-2-chloro-4-methylbenzenesulfonic Acid CAS NO.83543-94-6

Career Henan Chemical  focus on high complex new type intermediates and fine chemical custom synthesis,scale-up production and rare chemicals. Product category including intermediates&api,catalyst and electronic chemicals. 

We have our R&D team and can supply custom made service for chemicals , and keep good relationship with some pharmaceutical companies. Our synthesis level is well-known to the industry, the products are exported to US, France,Poland,Czech,Ukraine,Spain,Switzerland etc. 

Henan Coreychem Co., Ltd, facing global High-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and Rare chemicals trade. Corey have well-equipped machine, strong technical force and considerate marketing team service. We also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.

Henan CoreyChem Co., Ltd, facing global High-tech pharmaceutical raw materials, high value-added new type intermediates fine chemicals custom synthesis, scale-up production and rare chemicals trade. We have experienced research staff, strong technical force, well-equipped machine, and considerate marketing team service, with a strict customer intellectual property security system, we are already become good partner of customers from difficult and complex chemical and biological chemical field. Our high quality & low price and effective services shortened new product development cycle,reduced the development and production cost for numerous partners.

1. Samples synthetic, Our strong r&d team has accumulated abundant experience in synthesis design and exploring synthesis of new technology. Not only good at heterocyclic chemistry, chiral chemicals (asymmetric synthesis and enzyme reaction), metal organic synthesis, high throughput chemistry, also specializes in bioorganic chemistry including nucleosides, nucleotides, sugar chemical, peptide chemistry, etc, to complete the synthesis from mg to kg samples in lab scale. Our efficient management and good communication skills and ability to solve the problem rapidly in order to ensure quality, timely delivery, based on the standard client confidential system and competitive price products,we has been recognized and praised by many customers in chemical industry.
       

2. Scale-up production, based on our rich laboratory experience and advanced equipment in production base, also depend on accumulation of advantages in many aspects as industrialized technology development, the production cost control, to provide from kg class to wt class custom synthesis scale-up production services to the global fine chemical industry, can be carried out oxidation, hydrogenation pressure (70 kg), halide, and acylation, esterification, condensation, cyclization, formatting, ammoniation, diazotization and azide reaction, our experienced production management, strict and perfect management system can quickly provide customers with competitive and fine mass production services.
  

3.Technology transfer, the company has accumulated a large number of production processes of drugs, intermediates and raw material. Based on the principle of mutual benefit, and some technology transfer to industry manufacturers, also provides them marketing support.