Ethyl P-toluenesulfonate CAS# 80-40-0

About us:

Yunbio Tech Co.,Ltd dedicated to the development, production and marketing of "Carbohydrates&Nucleosides", "Biobuffers", "Pharmaceutical Intermediates" and "Reagents" 

new products development, scale-up and related services.

Our R&D center is equipped with instruments, such as NMR, HPLC, Polarimeter, Aquatest and Melting point instrument for R&D and QC purpose.

We have some manufacturing bases and contract manufacturing in Hunan province, Hebei province, shandong province and zhejiang province for commercial production. 

The sites have been audited by famous domestic and abroad customers successfully.

Welcome regualer and new customers to collaborate with us.

Our main business:

API R&D and Process Optimization

Intermediates Production and Supply

Impurity Synthesis

We specilized:

Carbohydrates

Nucleosides

Buffers

Reagents

Pharma Intermediates