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COVID-19 Pandemic – 2021 Congress Postponed

We are postponing the 28th Congress initially planned for 29 August to 2 September 2021. We are looking forward to holding it at a similar time in 2022, once the uncertainty surrounding the COVID-19 pandemic has hopefully lessened. More details can be found by clicking the Announcement button to the left


We will provide updates as plans evolve, and will keep information on the website current.

The Events & Meeting page has now been revised to show the new dates for other postponed conferences

The International Society of Heterocyclic Chemistry (ISHC) was established in August, 1968, in Albuquerque, New Mexico, in the USA by Dr. Raymond N. Castle (1916-1999). The function of the society is to promote heterocyclic chemistry, in particular by serving as the primary sponsoring agency for the ISHC-Congress, a large biennial meeting attracting up to a thousand participants. Further aims of the ISHC are to honor persons who have made outstanding contributions to the field with two distinguished Awards and the appointment of ISHC Fellows. The ISHC is also actively involved in the publication of “Progress in Heterocyclic Chemistry” (PHC) a major reference work on heterocyclic chemistry published annually since 1989.