Each year IUPAC endorses a large number of independently organized conferences, symposiums and workshops that cover a wide range of specialized topics in chemistry. Endorsement by IUPAC attests to the quality of the scientific program and indicates the host country’s assurance that scientists from all countries may participate. See program details.

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15 Oct 2023 - 20 Oct 2023

International Conference on Organic Synthesis (23-ICOS)

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Co-organized by Shanghai Institute of Organic Chemistry, CAS, and ShanghaiTech University, the XXIII International Conference on Organic Synthesis (23-ICOS) will be held in Shanghai on October 15 to October 20, 2023.

ICOS, initiated in 1976 as a biennial event by IUPAC for the exhibition of frontiers in organic synthesis, has brought together thoughts and wisdom for the advances of organic chemistry all over the world. 23-ICOS is promised to provide an excellent platform for world-leading scientists to present and discuss the latest advances in total synthesis, catalysis, methodology development, pharmaceutical and industrial chemistry. The event will stage the presentation of the 2020 Thieme–IUPAC Prize to Ang Li. Around 1,000 delegates are expected to attend this event.


Contacts: Professor Wenjun Tang

E-mail:[email protected]

Photo by Yiran Ding on Unsplash

Date & Time

15 Oct 2023


20 Oct 2023

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Zhangjiang Science Hall
Shanghai, China