Fluorescein, 2a(2),4a(2),5a(2),7a(2)-tetrabromo-4,5,6,7-tetrachloro-, ion(2-)

Fluorescein, 2a(2),4a(2),5a(2),7a(2)-tetrabromo-4,5,6,7-tetrachloro-, ion(2-) (CAS 20266-44-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H4Br4Cl4O4-2 and a molecular weight of 781.7 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20266-44-8
Jingsj CID: J-1727056-8
Molecular Formula: C₂₁H₄Br₄Cl₄O₄₂
Molecular Weight: 781.7 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Fluorescein, 2a(2),4a(2),5a(2),7a(2)-tetrabromo-4,5,6,7-tetrachloro-, ion(2-)?

The CAS number of Fluorescein, 2a(2),4a(2),5a(2),7a(2)-tetrabromo-4,5,6,7-tetrachloro-, ion(2-) is 20266-44-8.

What are the molecular formula and molecular weight of Fluorescein, 2a(2),4a(2),5a(2),7a(2)-tetrabromo-4,5,6,7-tetrachloro-, ion(2-)?

Fluorescein, 2a(2),4a(2),5a(2),7a(2)-tetrabromo-4,5,6,7-tetrachloro-, ion(2-) has molecular formula C21H4Br4Cl4O4-2 and molecular weight 781.7 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Fluorescein, 2a(2),4a(2),5a(2),7a(2)-tetrabromo-4,5,6,7-tetrachloro-, ion(2-) (CAS 20266-44-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1727056-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.