3-methyl-1H-isochromen-1-one

Also known as: 3-methylisocoumarin, 3-methylisochromen-1-one, 1H-2-benzopyran-1-one,3-methyl-, 3-methyl-1H-2-benzopyran-1-one, 3-methyl-isochromen-1-one, 3-methyl-isocoumarin

3-methyl-1H-isochromen-1-one (CAS 29539-21-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H8O2 and a molecular weight of 160.16900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 29539-21-7
Jingsj CID: J-1149602-9
Molecular Formula: C₁₀H₈O₂
Molecular Weight: 160.16900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	160.05200
PSA	30.21000
LogP	2.10140

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-methyl-1H-isochromen-1-one?

The CAS number of 3-methyl-1H-isochromen-1-one is 29539-21-7.

What are the molecular formula and molecular weight of 3-methyl-1H-isochromen-1-one?

3-methyl-1H-isochromen-1-one has molecular formula C10H8O2 and molecular weight 160.16900 g/mol.

What are the upstream and downstream products of 3-methyl-1H-isochromen-1-one?

For 3-methyl-1H-isochromen-1-one, Upstream Products: 2-Iodobenzoic acid, 2,4-Pentanedione, 1-Phenyl-1,3-butanedione; Downstream Products: 1-Chloro-3-methylisoquinoline.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-methyl-1H-isochromen-1-one (CAS 29539-21-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1149602-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.