4-Methylisatoic anhydride

Also known as: 7-Methyl-2H-3,1-benzoxazine-2,4(1H)-dione, 7-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione, 7-Methyl-2H-benzo[d][1,3]oxazine-2,4(1H)-dione, 4-Methyl-isatoic anhydride, 7-methyl-1H-3,1-benzoxazine-2,4-dione, 7-methyl-1H-benz[d][1,3]oxazin-2,4-dione, 2H-3,1-Benzoxazine-2,4(1H)-dione, 7-methyl-, 4-Methylisatoic anhydride 97%, REF DUPL: 4-Methyl-isatoic anhydride

4-Methylisatoic anhydride (CAS 63480-11-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H7NO3 and a molecular weight of 177.157 g/mol. Key property: a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 63480-11-5
Jingsj CID: J-1384060-3
Molecular Formula: C₉H₇NO₃
Molecular Weight: 177.157 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.3±0.1 g/cm3
Exact Mass	177.042587
PSA	63.07000
LogP	1.37
Refractive Index	1.576

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 4-Methylisatoic anhydride?

The CAS number of 4-Methylisatoic anhydride is 63480-11-5.

What are the molecular formula and molecular weight of 4-Methylisatoic anhydride?

4-Methylisatoic anhydride has molecular formula C9H7NO3 and molecular weight 177.157 g/mol.

What are the upstream and downstream products of 4-Methylisatoic anhydride?

For 4-Methylisatoic anhydride, Upstream Products: Bis(trichloromethyl) carbonate, 2-Amino-4-methylbenzoic acid, 6-Methyl-1H-indole-2,3-dione; Downstream Products: 2-Amino-4-methylbenzoic acid.

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. "4-Methylisatoic anhydride (CAS 63480-11-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1384060-3 (accessed 2026-11-09).

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