Hunan Huateng Pharmaceutical Co. Ltd

Huateng Pharma, a global supplier of pharmaceutical intermediates, PEG derivatives and other chemical products, offers CAS NO.67911-21-1 for your requirements of R&D, evaluation, pilots and commercial along with supportive technical package required for evaluation.

Application: Caronic anhydride (CAS NO.67911-21-1) is the starting material for COVID-19 oral drug Paxlovid. Paxlovid is a new oral antiviral medication to treat mild-to-moderate COVID-19 disease in people who are at high risk for severe COVID-19.