High quality Tofacitinib citrate price CAS 540737-29-9 CAS NO.540737-29-9

High quality Tofacitinib citrate price CAS 540737-29-9 

Tofacitinib citrate is an oral drug used for treating rheumatoid arthritis. It belongs to a class of drugs called Janus kinase (JAK) inhibitors. JAKs are enzymes (proteins) that regulate chemical signaling pathways that control biologic processes such as blood formation and the immune response that causes the pain, tenderness and swelling of inflammation. JAKs are found in many cells, especially stem cells in bones and joints. Inhibition of JAKs by tofacitinib prevents inflammation and tissue destruction that is associated with the inflammation of rheumatoid arthritis. Tofacitinib was approved in November 2012.

Nanjing Yuansenthai Biological Technology Co.,Ltd. is a manufacturing company of research chemicals in China,which have been on the market since year 2010.

Headquartered in Nanjing, it has a group of research and development team with many years of rich experience in drug development and rich project management ability.The company has 6500 square meters of GMP standard workshop, Its technology portfolio comprises low temperature,high pressure reactions and continuous processing,Yuansenthai runs its technologies on dedicated and multipurpose equipments on all scales under a quality system based on the process ISO 9001:2015.Equipped with a variety of complete and advanced testing equipment, including LC/MS/MS, DSC, TGA, ICP/MS, GC/MS, HPLC, GC, H-NMR,at the same time, we keep close cooperation with some universities, ensure the smooth progress of pharmaceutical technology development research.

Yuansenthai’s one-site strategy allows reduced decision and communication pathways, thus ensuring rapid and efficient project development as well as clear and transparent communication with customers.We sincerely hope to establish long-term cooperation and common development with our customers.

FAQ 

Q1: Are you a manufacturer

A: Yes, We manufacture bulk products in our factory located in Nanjing,and produce small quantity and customer synthesis products in our lab located in Jiangsu.

Q2: Do you have stock

A: We understand most customers prefer stock, so we'll try to keep stock for most products. However, for some rare products, we won't keep stock and it needs time to synthesize.

Q3: What certificates and documents do you offer

A: Some technical paperwork is available, such as COA, HNMR, HPLC, LC-MS etc.

Q4: Why should I choose you

A: Powerful technical support-come from our highly skilled & fully experienced staff, working in chemical industry for over 8 years, in average.Strict quality control-comes form our sophisticated management system.Professional and warm sales team-since we believe we can only win via our hard work in a competitive world

Quick response and excellent presale and after sale service-since we believe our customers deserve all the best service

Q5: Can I get best price from you

A: Of course. We don't chase excessive profits and always try tp give best offer. If you are good at bargaining, you can also enjoy fun of bargaining. Just don't make it too hard!

Q6: How should I pay

A: We accept all kinds of payment ways. such as alibaba trade asssurance, T/T, West union, MoneyGram.