American Chemical Society
Public records show a registered, tax-exempt organization in good standing.
What it says it does
THE PRIMARY EXEMPT PURPOSE IS TO ADVANCE KNOWLEDGE AND APPRECIATION OF THE HISTORY OF THE CHEMICAL SCIENCES AMONG CHEMISTS, STUDENTS, HISTORIANS OF SCIENCE, AND THE BROADER PUBLIC BY ENCOURAGING RESERACH AND SCHOLARSHIP IN HISTORY OF THE CHEMICAL SCIENCES; PROVIDING A WELCOMING ENVIRONMENT FOR THE DISCUSSION OF HISTORY OF CHEMISTRY IN A VARIETY OF VENUES, PARTICULARLY IN SYMPOSIA AT NATIONAL ACS MEETINGS; SERVING AS A RESOURCE FOR CHEMICAL SCIENTISTS IN GENERAL,AND MEMBERS OF THE ACS IN PARTICULAR,WHO SEEK TO UNDERSTAND THE ROOTS OF THEIR DISCIPLINE, SUB-DISCIPLINE, OR INTERDISCIPLINARY SUBJECT; RECOGNIZING MAJOR ACHIEVEMENTS FROM THE PAST IN THE CHEMICAL SCIENCES AND THE INDIVIDUALS WHO MADE THOSE ACHIEVEMENTS; PUBLISHING A SCHOLARLY JOURNAL IN HISTORY OF CHEMISTRY; INTERACTING WITH OTHER ORGANIZATIONS INTERESTED IN THE HISTORY OF SCIENCE; AND ADDING VALUE TO THE ACS BY HELPING IT ACHIEVE ITS VISION AND MISSIONS.
- Income
- $43,823
- Spending
- $33,601
- Reserves
- 99.3 months of spending
- Largest source of income
- donations and private grants, 50%
Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Financial health
We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.
Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Governance
This organization files the short tax form, which does not ask about boards, policies or audits. That is normal for a small charity and is not a mark against it.
Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Impact evidence
Describes programs. Its tax return describes what it does but we have found no measurable results in it.
Programs described in its return (2)
- $21,860 spent. THE PURPOSE OF THE "HISTORY OF CHEMISTRY AWARD IN THE HISTORY OF CHEMISTRY" IS TO RECOGNIZE AN OUTSTANDING CAREER OF CONTRIBUTIONS TO THE HISTORY OF CHEMISTRY. THE AWARD IS INTERNATIONAL IN SCOPE AND IS GENERALLY PRESENTED ANNUALLY AT THE FALL NATIONAL ACS MEETING.
- $11,741 spent. TO STIMULATE STUDY & RESEARCH IN THE HISTORY OF CHEMISTRY, TO OFFER AN OPPORTUNITY FOR PRESENTATION OF THE RESULTS OF SUCH SPECIALIED STUDY AND RESEARCH AND TO ENCOURAGE A WIDE GENERAL INTEREST AMONG ALL CHEMISTS IN THE HISTORICAL PHASES OF THEIR SCIENCE.
Source: Form 990EZ for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Legitimacy checks
Is it registered with the IRS? Passed.
Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Has the IRS revoked its tax-exempt status? Passed.
Not on the IRS automatic revocation list.
Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.
Are donations tax-deductible? Worth knowing.
Not individually listed by the IRS as eligible, which is usual for local chapters covered by a parent organization's exemption. The master file records contributions to it as deductible.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it keeping up with its IRS filings? Passed.
Most recent return on file covers the year ending December 2025.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since May 1946.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it in good standing with state regulators? Passed.
Not on California's list of charities barred from soliciting. Other states are not yet checked.
Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.
Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.