7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one

Also known as: 7-Amino-4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one, 7-amino-4-methyl-1,4-benzoxazin-3-one

7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one (CAS 141068-81-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H10N2O2 and a molecular weight of 178.18800 g/mol. Key properties include a melting point of 141-143ºC, a boiling point of 488.5ºC at 760mmHg, a density of 1.299g/cm3 and a flash point of 249.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 141068-81-7
Jingsj CID: J-19774-0
Molecular Formula: C₉H₁₀N₂O₂
Molecular Weight: 178.18800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	141-143ºC
Boiling Point	488.5ºC at 760mmHg
Density	1.299g/cm3
Flash Point	249.3ºC
Exact Mass	178.07400
PSA	55.56000
LogP	1.27020
Vapor Pressure	1.08E-09mmHg at 25°C
Refractive Index	1.618

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 7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one?

The CAS number of 7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one is 141068-81-7.

What are the molecular formula and molecular weight of 7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one?

7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one has molecular formula C9H10N2O2 and molecular weight 178.18800 g/mol.

What are the upstream and downstream products of 7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one?

For 7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one, Upstream Products: 4-Methyl-7-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one; Downstream Products: 4-Methyl-3,4-dihydro-2H-benzo[b][1,4]oxazin-7-amine.

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. "7-Amino-4-methyl-2H-1,4-benzoxazin-3(4H)-one (CAS 141068-81-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19774-0 (accessed 2026-11-09).

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