2-Methyl-2-butenoic acid 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester

2-甲基-2-丁烯酸-9,10-二氢-8,8-二甲基-2-羰基-2H,8H-苯并[1,2-b:3,4-b']二吡喃-9-基酯

Also known as: (8,8-Dimethyl-2-oxo-9,10-dihydropyrano[2,3-h]chromen-9-yl) (E)-2-methylbut-2-enoate

2-Methyl-2-butenoic acid 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester (CAS 1165-60-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H20O5 and a molecular weight of 328.364 g/mol. It is also known as (8,8-Dimethyl-2-oxo-9,10-dihydropyrano[2,3-h]chromen-9-yl) (E)-2-methylbut-2-enoate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1165-60-2
Jingsj CID
J-1528436-9
Molecular Formula
C19H20O5
Chinese Name
2-甲基-2-丁烯酸-9,10-二氢-8,8-二甲基-2-羰基-2H,8H-苯并[1,2-b:3,4-b']二吡喃-9-基酯
Molecular Weight
328.364 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-Methyl-2-butenoic acid 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester?

The CAS number of 2-Methyl-2-butenoic acid 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester is 1165-60-2.

What are the molecular formula and molecular weight of 2-Methyl-2-butenoic acid 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester?

2-Methyl-2-butenoic acid 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester has molecular formula C19H20O5 and molecular weight 328.364 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Methyl-2-butenoic acid 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester (CAS 1165-60-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1528436-9 (accessed 2026-10-25).

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