Nonprofit · EIN 43-6049918
AMERICAN CHEMICAL SOCIETY
Also known as ST LOUIS SECTION
Tax-exempt · SAINT LOUIS, MO 63141
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $58,409 | $42,600 | $15,809 | $564,221 | $0 | $564,221 |
| December 31, 2024 | 990-EZ | $61,899 | $36,107 | $25,792 | $494,942 | $0 | $494,942 |
| December 31, 2023 | 990-EZ | $41,384 | $9,159 | $32,225 | $433,261 | $0 | $433,261 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $34,783
- Membership dues
- $7,245
- Program service revenue
- $8,720
- Investment income
- $14,906
- Net gain from sales of assets
- $14
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $7,200
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Travel
- $6,661
- Program services (functional)
- $42,600
Balance sheet and other
- Total assets, start of year
- $497,657
- Total assets, end of year
- $564,221
- Total liabilities, end of year
- $0
- Net assets, end of year
- $564,221
- Publicly traded securities
- $529,160
- Net assets without donor restrictions
- $218,409
- Net assets with donor restrictions
- $345,812
- Gross receipts
- $60,376
- Employees
- 0
- Volunteers
- 50
- Year formed
- 1907
- State of legal domicile
- MO
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Cristina De Meo | Director Trustee or director | 2 | $0 |
| Rhonda Woerndle | Director & Program Committee Chair Trustee or director | 2 | $0 |
| John Taylor | Director Trustee or director | 2 | $0 |
| Mikhail Berezin | Director & Awards Committee Chair Trustee or director | 2 | $0 |
| Sean Dingman | Director Trustee or director | 2 | $0 |
| Eric Bruton | Councilor Trustee or director | 2 | $0 |
| Donna Friedman | Coucilor Trustee or director | 4 | $0 |
| Jeramia Ory | Councilor & Public Relations Committee Chair Trustee or director | 3 | $0 |
| James Bashkin | Immediate Past Chair Trustee or director | 4 | $0 |
| Sue Wiediger | Education Committee Chair Trustee or director | 2 | $0 |
| Brent Znosko | Professional Activities Committee Chair Trustee or director | 2 | $0 |
| James O'Brien | Director Trustee or director | 2 | $0 |
| William Doub | Director Trustee or director | 3 | $0 |
| Eden Tesfu | Chair Elect Officer | 3 | $0 |
| Brian Kamusinga | Secretary Officer | 3 | $0 |
2 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Paula Miller | Treasurer Officer | 4 | $0 |
| Elizabeth Bergman | Chair Officer | 5 | $0 |
990-EZ for the year ended December 31, 2024: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Jeffrey Cornelius | Treasurer | 4 | $0 |
| Bill Doub | Director | 2 | $0 |
| Cristina DeMeo | Director | 2 | $0 |
| Rhonda Woerndle | Director | 2 | $0 |
| Mikhail Berezin | Director | 2 | $0 |
| John-Stephen Taylor | Director | 2 | $0 |
| Eric Bruton | Councilor | 3 | $0 |
| Donna Friedman | Councilor | 3 | $0 |
| James Bashkin | Chair | 5 | $0 |
| Tabbetha Bohac | Past Chair | 4 | $0 |
| Brian Kamusinga | Secretary | 3 | $0 |
| Sean Dingman | Director | 2 | $0 |
| Jeramia Ory | Councilor | 3 | $0 |
| Elizabeth Bergman | Chair Elect | 3 | $0 |
990-EZ for the year ended December 31, 2023: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Cynthia Chapple | Past Chair | 5 | $0 |
| Jeffrey Cornelius | Treasurer | 4 | $0 |
| Bill Doub | Director | 2 | $0 |
| Cristina DeMeo | Director | 2 | $0 |
| Rhonda Woerndle | Director | 2 | $0 |
| Mikhail Berezin | Director | 2 | $0 |
| John-Stephen Taylor | Director | 2 | $0 |
| Eric Bruton | Councilor | 2 | $0 |
| Donna Friedman | Councilor | 2 | $0 |
| James Baskin | Chair Elect | 3 | $0 |
| Tabbetha Bohac | Chair | 5 | $0 |
| Henry Rohrs | Secretary | 3 | $0 |
| Pamela Morrison | Director | 2 | $0 |
| Jeramia Ory | Councilor | 3 | $0 |
Address and contacts
- Address (IRS master file)
- 332 EUGENIA ST, SAINT LOUIS, MO 63141-8312
- In care of
- % PAULA MILLER
- Principal officer (990 for 2025)
- Paula Miller, 332 Eugenia St, Saint Louis, MO 63141
- Signed the 990
- Paula Miller, Treasurer
- Phone
- (314) 420-6306
Mission
The mission of the St. Louis Section of the American Chemical Society is to advance the chemical education and chemical enterprise within its jurisdiction while maintaining a devotion to the members of the section.
Program accomplishments
- The Awards Committee reviews nominations, selects awardees, organizes award ceremonies and symposia. The awards are the St. Louis Award, Midwest Award, High School Teacher Award, College Student Awards, and the Science and Technology Award.Expenses $16,769 · grants $7,200 · revenue $2,425
- The Program Committee sponsored the Mass Spectrometry Discussion Group, that restarted this year after being inactive since 2022. They organized a kickoff symposium.Expenses $5,423 · revenue $4,345
- The Special Events Committee sponsored a number of association events including Recognition Night, the continuity dinner, monthly social events (cocktails with chemists and coffee with chemists), a SciMix poster event and the annual summer picnic.Expenses $4,303 · revenue $1,530
- The Education Committee sponsored Chemistry is fun workshops in schools, a chemistry merit badge clinic for scouts, and a demonstration for Girl Scouts.Expenses $1,041 · revenue $420
- Form 990 Part IX Line 12 Advertising & Promotion: Secretary ($105.00, PO Box fee), Treasurer ($162.46 stamps, envelopes, folders and binders), MailChimp ($318.00), Invitations to Recognition Night ($114.36) TOTAL ADVERTISING & PROMOTION - $999.81Expenses $1,000
- Form 990 Part IX Line 13 - Offce Expenses: Data Realm Hosting & Domain Name ($64.55, Annual Registration Report for St. Louis Section /acs ($10.45), Quicken Accounting Software ($47.85) TOTAL OFFICE EXPENSES - $122.85Expenses $123
- Form 990 Part IX Line 17 Travel: Councilor Travel ($6,144.86), Officer & Designated Representative Travel ($516.76) TOTAL TRAVEL - $6,661.62Expenses $6,661
- All Other: Fraud ($4970), Board Meeting Meals ($674) 2024 checks cashed in 2025 ($1635.61).Expenses $7,280
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 43-6049918
- 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 or 990-EZ
- Group exemption
- 0945: AMERICAN CHEMICAL SOCIETY
- Assets (IRS master file)
- $494,942
- Income (IRS master file)
- $61,899
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $58,409 | $42,600 | $564,221 | XML |
| 990-EZ | December 2024 | $61,899 | $36,107 | $494,942 | IRS |
| 990-EZ | December 2023 | $41,384 | $9,159 | $433,261 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
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 43-6049918).
Questions about AMERICAN CHEMICAL SOCIETY
- What is the EIN of AMERICAN CHEMICAL SOCIETY?
- The employer identification number (EIN) of AMERICAN CHEMICAL SOCIETY is 43-6049918.
- 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 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- 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 for the year ended December 2025.
- Who is the principal officer of AMERICAN CHEMICAL SOCIETY?
- The 990 for the year ended December 31, 2025 names Paula Miller.
- Who are the officers and directors of AMERICAN CHEMICAL SOCIETY?
- The 990 for the year ended December 31, 2025 lists 17 people; 0 received compensation from the organization.
- How much revenue does AMERICAN CHEMICAL SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $58,409, expenses of $42,600 and total assets of $564,221 at year end.
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