4,4'-dimethoxy-3,3'-spirobi[1,2-dihydroindene]

7,7-二甲氧基-2,2,3,3-四氢-1,1-螺二[茚]

Also known as: 7,7'-dimethoxy-1,1'-spirobiindane

4,4'-dimethoxy-3,3'-spirobi[1,2-dihydroindene] (CAS 223137-81-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H20O2 and a molecular weight of 280.36100 g/mol. It is also known as 7,7'-dimethoxy-1,1'-spirobiindane. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 223137-81-3
Jingsj CID: J-1025880-4
Molecular Formula: C₁₉H₂₀O₂
Chinese Name: 7,7-二甲氧基-2,2,3,3-四氢-1,1-螺二[茚]
Molecular Weight: 280.36100 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4,4'-dimethoxy-3,3'-spirobi[1,2-dihydroindene]?

The CAS number of 4,4'-dimethoxy-3,3'-spirobi[1,2-dihydroindene] is 223137-81-3.

What are the molecular formula and molecular weight of 4,4'-dimethoxy-3,3'-spirobi[1,2-dihydroindene]?

4,4'-dimethoxy-3,3'-spirobi[1,2-dihydroindene] has molecular formula C19H20O2 and molecular weight 280.36100 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. "4,4'-dimethoxy-3,3'-spirobi[1,2-dihydroindene] (CAS 223137-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1025880-4 (accessed 2026-10-24).

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