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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 83-6004916

AMERICAN CHEMICAL SOCIETY

Also known as WYOMING SECTION

Tax-exempt · LARAMIE, WY 82071

Address and contacts

Address (IRS master file)
1000 E UNIV AVE UNIV OF WY CHEM, LARAMIE, WY 82071-0000
In care of
% DR JING ZHOU
Mailing address (990-N for 2025)
1000 E UNIV AVE UNIV OF WY CHEM, LARAMIE WY 820710000
Principal officer (990-N for 2025)
Brian Leonard, 1000 E UNIV AVE UNIV OF WY CHEM, LARAMIE WY 820710000

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for AMERICAN CHEMICAL SOCIETY

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
83-6004916
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Exempt since
1946
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Brian Leonard
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Caleb Hill
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: ELLIOTT HULLEY
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: CALEB HILL
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: CALEB HILL
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Christopher Lowry
December 31, 2019≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 83-6004916).

Questions about AMERICAN CHEMICAL SOCIETY

What is the EIN of AMERICAN CHEMICAL SOCIETY?
The employer identification number (EIN) of AMERICAN CHEMICAL SOCIETY is 83-6004916.
Is AMERICAN CHEMICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1946.
Which annual return does AMERICAN CHEMICAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AMERICAN CHEMICAL SOCIETY due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did AMERICAN CHEMICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of AMERICAN CHEMICAL SOCIETY?
The 990-N for 2025 names Brian Leonard.

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