2-n-Butyl-1,3-diaza-spiro[4,4]non-1-en-4-one hydrochloride CAS NO.151257-01-1

We are manufacturing this product, if you required we can supply in ton level.

Our plant capacity is 20 tons per month.

Irbesartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes. Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Irbesartan belongs to a class of drugs called angiotensin receptor blockers (ARBs). It works by relaxing blood vessels so that blood can flow more easily.

Chemsigma is the sales center of Nanjing King-pharm Co.Ltd. And Dewei Chemicals industry.

We are engaged in developing and manufacturing API, Pharmaceutical intermediates, Biochemicals, Frangrance chemicals and some other specialty chemicals.

Since 1990, we have accumulated rich experience in CMO&CDMO, and provided products and service to customers all over the world.

Pls contact with us freely for getting detailed product specifications, product tech. date sheet, COA and MSDS, prices, delivery time and payment terms.

Dewei  Production Base is located in the Ecological Science and Technology Park. It has more than 100 sets of large-scale, high-temperature and high pressure reactors.

We have established complete Quality Control System, and already qualified by ISO 9001.

CKS R&D Center is located in JIangsu Life Science &Technology Innovation Park. We have a great reaseaching and developing team including Ph.D, Masters and technicans with experimental skills. Our facilities are capable of custom sythesis from grams to tons.

We study our client’s principles and work to incorporate those values in our marketing campaigns. We completely commit to each individual client,to serving their needs and delivering excellence.

We believe that cooperation and teamwork help us achieve all of our goals and dreams.