N-(3,4-dihydro-4-oxo-2H-1-benzopyran-6-yl)acetamide

6-(乙酰氨基)-2,3-二氢-4H-1-苯并吡喃-4酮

Also known as: 6-Acetamidochroman-4-one, 6-Acetylaminochroman-4-one, 6-Acetamido-4-chromanone, N-(4-oxochroman-6-yl)acetamide, Acetamide, N-(3,4-dihydro-4-oxo-2H-1-benzopyran-6-yl)-, 6-ACETAMIDO-(6CI)

N-(3,4-dihydro-4-oxo-2H-1-benzopyran-6-yl)acetamide (CAS 103646-29-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H11NO3 and a molecular weight of 205.21000 g/mol. It is also known as 6-Acetamidochroman-4-one, 6-Acetylaminochroman-4-one and 6-Acetamido-4-chromanone. Key properties include a melting point of 164-166ºC, a boiling point of 458.444ºC at 760 mmHg, a density of 1.308 g/cm3 and a flash point of 231.059ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 103646-29-3
Jingsj CID: J-1341532-9
Molecular Formula: C₁₁H₁₁NO₃
Chinese Name: 6-(乙酰氨基)-2,3-二氢-4H-1-苯并吡喃-4酮
Molecular Weight: 205.21000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	164-166ºC
Boiling Point	458.444ºC at 760 mmHg
Density	1.308 g/cm3
Flash Point	231.059ºC

Frequently Asked Questions

What is the CAS number of N-(3,4-dihydro-4-oxo-2H-1-benzopyran-6-yl)acetamide?

The CAS number of N-(3,4-dihydro-4-oxo-2H-1-benzopyran-6-yl)acetamide is 103646-29-3.

What are the molecular formula and molecular weight of N-(3,4-dihydro-4-oxo-2H-1-benzopyran-6-yl)acetamide?

N-(3,4-dihydro-4-oxo-2H-1-benzopyran-6-yl)acetamide has molecular formula C11H11NO3 and molecular weight 205.21000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N-(3,4-dihydro-4-oxo-2H-1-benzopyran-6-yl)acetamide (CAS 103646-29-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1341532-9 (accessed 2026-10-24).

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