3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-5,5',6,6'-tetraone

3,3,3',3'-四甲基-2,2',3,3'-四氢-1,1'-螺二茚-5,5',6,6'-四酮

Also known as: 1,1'-Spirobi[1H-indene]-5,5',6,6'-tetrone, 2,2',3,3'-tetrahydro-3,3,3',3'-tetramethyl-

3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-5,5',6,6'-tetraone (CAS 38475-60-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H20O4 and a molecular weight of 336.4 g/mol. It is also known as 1,1'-Spirobi[1H-indene]-5,5',6,6'-tetrone, 2,2',3,3'-tetrahydro-3,3,3',3'-tetramethyl-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 38475-60-4
Jingsj CID: J-712544-3
Molecular Formula: C₂₁H₂₀O₄
Chinese Name: 3,3,3',3'-四甲基-2,2',3,3'-四氢-1,1'-螺二茚-5,5',6,6'-四酮
Molecular Weight: 336.4 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-5,5',6,6'-tetraone?

The CAS number of 3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-5,5',6,6'-tetraone is 38475-60-4.

What are the molecular formula and molecular weight of 3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-5,5',6,6'-tetraone?

3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-5,5',6,6'-tetraone has molecular formula C21H20O4 and molecular weight 336.4 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. "3,3,3',3'-Tetramethyl-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-5,5',6,6'-tetraone (CAS 38475-60-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-712544-3 (accessed 2026-10-25).

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