4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-7-carbonyl chloride

4-甲基-3,4-二氢-2H-1,4-苯并恶嗪-7-羰酰氯

Also known as: 2H-1,4-Benzoxazine-7-carbonyl chloride, 3,4-dihydro-4-methyl- (9CI), 2H-1,4-Benzoxazine-7-carbonyl chloride, 3,4-dihydro-4-methyl-, 4-Methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbonyl chloride, 4-Methyl-2,3-dihydro-2H-1,4-benzoxazine-7-carbonyl chloride

4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-7-carbonyl chloride (CAS 499770-73-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H10ClNO2 and a molecular weight of 211.64500 g/mol. It is also known as 2H-1,4-Benzoxazine-7-carbonyl chloride, 3,4-dihydro-4-methyl- (9CI), 2H-1,4-Benzoxazine-7-carbonyl chloride, 3,4-dihydro-4-methyl- and 4-Methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbonyl chloride. Key properties include a melting point of 96ºC, a boiling point of 349.6ºC at 760 mmHg, a density of 1.284g/cm3 and a flash point of 165.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
499770-73-9
Jingsj CID
J-1516995-6
Molecular Formula
C10H10ClNO2
Chinese Name
4-甲基-3,4-二氢-2H-1,4-苯并恶嗪-7-羰酰氯
Molecular Weight
211.64500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point96ºC
Boiling Point349.6ºC at 760 mmHg
Density1.284g/cm3
Flash Point165.2ºC

Frequently Asked Questions

What is the CAS number of 4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-7-carbonyl chloride?

The CAS number of 4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-7-carbonyl chloride is 499770-73-9.

What are the molecular formula and molecular weight of 4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-7-carbonyl chloride?

4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-7-carbonyl chloride has molecular formula C10H10ClNO2 and molecular weight 211.64500 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methyl-3,4-dihydro-2H-1,4-benzoxazine-7-carbonyl chloride (CAS 499770-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516995-6 (accessed 2026-10-25).

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