[American Chemical Society](https://www.acs.org)

July 2025 (Nominations open) | November 2025 (Nominations close)

$6,000 honorarium, medallion, certificate, and up to $2,500 for travel expenses

Recognizes and encourages outstanding achievements in the analysis, structure elucidation, and chemical synthesis of natural products.

--- ## Description This award recognizes individuals who have made significant and original contributions to the chemistry of natural products, specifically in the areas of analysis, structure elucidation, and chemical synthesis. The recipient receives a $6,000 honorarium, a medallion, a certificate, and reimbursement of up to $2,500 for travel expenses to the ACS meeting where the award is presented. The award is supported by Givaudan Flavours Corporation and is presented annually by the American Chemical Society. --- ## Due Dates - **Anticipated nomination period opens:** July 2025 - **Anticipated nomination deadline:** November 2025 - **Anticipated notification of winners:** August 2026 (in _Chemical & Engineering News_) *All dates are projected based on the annual cycle; check the program page for updates.* --- ## Funding Amount - $6,000 cash award - Medallion and certificate - Up to $2,500 for travel expenses to the ACS meeting for award presentation --- ## Eligibility - Nominees must have accomplished outstanding work in the analysis, structure elucidation, and chemical synthesis of natural products. - Special emphasis is placed on independence of thought and originality. - Nominees are not required to be ACS members. - The award is open regardless of race, gender, age, religion, ethnicity, nationality, sexual orientation, gender expression, gender identity, disability status, or educational background. - Nominators are not required to be ACS members. - An individual may only be nominated for one ACS National Award per year as primary nominator and one as a supporter. - Past recipients of an ACS National Award may be nominated for a different award if the work is distinct or if five years have elapsed since the previous award. --- ## Application Process - Nominations are submitted online through the [ACS National Awards nomination portal](https://www.nominate.acs.org/). - The anticipated nomination window is July to November each year. - Only one nominator per candidate; the nominator submits a recommendation letter. - Nominations remain active for three award cycles unless the nominee is selected. - For full details, see the [ACS National Award Nomination Guidelines](https://www.acs.org/funding/awards/national/nominations.html). - Required materials typically include: - Nomination letter - Curriculum vitae or résumé of the nominee - Supporting letters (as specified in the guidelines) - Documentation of the nominee’s contributions --- ## Additional Information - The medallion and certificate are presented at the award address during the ACS meeting. - The award is sponsored by Givaudan Flavours Corporation. - The award was established in 1948 and has a long tradition of recognizing excellence in natural product chemistry. - Nominations and support letters are retained for up to three cycles. --- ## External Links - [Program page and official details](https://www.acs.org/content/acs/en/funding/awards/ernest-guenther-award-in-the-chemistry-of-natural-products.html) - [ACS National Awards Nomination Guidelines](https://www.acs.org/funding/awards/national/nominations.html) - [Nomination portal](https://www.nominate.acs.org/) - [Past recipients](https://www.acs.org/funding/awards/ernest-guenther-award-in-the-chemistry-of-natural-products/past-recipients.html) --- ## Contact Information | Contact | Email | Phone | Address | |------------------------|------------------------------|---------------------|----------------------------------------------| | ACS National Awards Program | [awards@acs.org](mailto:awards@acs.org) | +1 800-227-5558 | 1155 16th Street NW, Washington, DC 20036 | | General ACS Inquiries | [help@services.acs.org](mailto:help@services.acs.org) | +1 800-227-5558 | |

Ernest Guenther Award in the Chemistry of Natural Products

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