Question 1

Is Center for Stable Isotope Research Inc a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Center for Stable Isotope Research Inc is recognised by the IRS as a 501(c)(3) organisation (EIN 04-2899854). The IRS recognised Center for Stable Isotope Research Inc as tax-exempt in October 1986.

Question 2

What is Center for Stable Isotope Research Inc's EIN?

Accepted Answer

Center for Stable Isotope Research Inc's Employer Identification Number (EIN) is 04-2899854. The EIN was assigned by the IRS in October 1986. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Center for Stable Isotope Research Inc do?

Accepted Answer

The following activities were conducted by the CSIR through its president: continued literature review for potential advances in the field of Stable Isotope technology and its applications in health sciences.

Question 4

Where is Center for Stable Isotope Research Inc located?

Accepted Answer

Center for Stable Isotope Research Inc is located at 5537 S Cornell Ave, Chicago, IL, 60637.

Question 5

When was Center for Stable Isotope Research Inc founded or recognised by the IRS?

Accepted Answer

Center for Stable Isotope Research Inc was recognised by the IRS as a tax-exempt organisation in October 1986. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Center for Stable Isotope Research Inc's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2025), Center for Stable Isotope Research Inc reported $40K in total revenue and $75K in total expenses.

Question 7

Has Center for Stable Isotope Research Inc been auto-revoked by the IRS?

Accepted Answer

No — Center for Stable Isotope Research Inc (EIN 04-2899854) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Center for Stable Isotope Research Inc listed in IRS Publication 78?

Accepted Answer

Yes — Center for Stable Isotope Research Inc is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Center for Stable Isotope Research Inc

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