If you would like to contact IUPAC, please fill out the form HERE.
We have just launched our IUPAC100 Website, at www.iupac.org/100! If you would like to participate and/or Sponsor an activity, you may email the IUPAC100 Team at: firstname.lastname@example.org or submit your request to the IUPAC100 Team for information activities HERE.
Mailing Address of the IUPAC Secretariat:
PO Box 13757
Research Triangle Park, NC 27709-3757, USA
Phone: +1 919 485 8700