(7R,9R)-7,9-Methano-3,8,8-trimethyl-4a,5,8,9-tetrahydro-1H,7H-pyrano[4,3-b]benzopyran-1-one

(7R,9R)-7,9-甲烷-3,8,8-三甲基-4a,5,8,9-四氢-1H,7H-吡喃[4,3-b]苯并吡喃-1-酮

Also known as: (7R,9R)-7,9-Methano-3,8,8-trimethyl-4a,5,8,9-tetrahydro-1H,7H-pyrano[4,3-b]benzopyran-1-one, 7,9-Methano-1H,7H-pyrano[4,3-b][1]benzopyran-1-one, 4a,5,8,9-tetrahydro-3,8,8-trimethyl-, (7R,9R)- (9CI), zinc26897584

(7R,9R)-7,9-Methano-3,8,8-trimethyl-4a,5,8,9-tetrahydro-1H,7H-pyrano[4,3-b]benzopyran-1-one (CAS 863566-91-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H18O3 and a molecular weight of 258.31200 g/mol. It is also known as 7,9-Methano-1H,7H-pyrano[4,3-b][1]benzopyran-1-one, 4a,5,8,9-tetrahydro-3,8,8-trimethyl-, (7R,9R)- (9CI) and zinc26897584. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 863566-91-0
Jingsj CID: J-71888-2
Molecular Formula: C₁₆H₁₈O₃
Chinese Name: (7R,9R)-7,9-甲烷-3,8,8-三甲基-4a,5,8,9-四氢-1H,7H-吡喃[4,3-b]苯并吡喃-1-酮
Molecular Weight: 258.31200 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (7R,9R)-7,9-Methano-3,8,8-trimethyl-4a,5,8,9-tetrahydro-1H,7H-pyrano[4,3-b]benzopyran-1-one?

The CAS number of (7R,9R)-7,9-Methano-3,8,8-trimethyl-4a,5,8,9-tetrahydro-1H,7H-pyrano[4,3-b]benzopyran-1-one is 863566-91-0.

What are the molecular formula and molecular weight of (7R,9R)-7,9-Methano-3,8,8-trimethyl-4a,5,8,9-tetrahydro-1H,7H-pyrano[4,3-b]benzopyran-1-one?

(7R,9R)-7,9-Methano-3,8,8-trimethyl-4a,5,8,9-tetrahydro-1H,7H-pyrano[4,3-b]benzopyran-1-one has molecular formula C16H18O3 and molecular weight 258.31200 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. "(7R,9R)-7,9-Methano-3,8,8-trimethyl-4a,5,8,9-tetrahydro-1H,7H-pyrano[4,3-b]benzopyran-1-one (CAS 863566-91-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-71888-2 (accessed 2026-10-23).

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