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6-Acetyl-2H-1,4-benzoxazin-3(4H)-one

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one structure

CAS No.: 26518-71-8

Chemical Name:: 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one

Synonyms: 6-Acetylbenzoxazine-3-one;6-acetyl-4H-1,4-benzoxazin-3-one;6-Acetyl-2H-1,4-benzoxazin-3(4H)-one;6-Acetyl-2H-1,4-benzoxazine-3(4H)-one;6-Acetyl-2H-1,4-benzoxazin-3-one, 98%;2H-1,4-Benzoxazin-3(4H)-one, 6-acetyl-;6-Acetyl-2H-1,4-benzoxazin-3(4H)-one >6-ACETYL-2H-BENZO[B][1,4]OXAZIN-3(4H)-ONE;6-ACETYL-2H-1,4-BENZOXAZIN-3(4H)-ONE, 98 %;6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-, 98%,

CBNumber:: CB5321313

Molecular Formula:: C10H9NO3

Molecular Weight:: 191.18

MDL Number:: MFCD01321313

MOL File:: 26518-71-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:53:29

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6-Acetyl-2H-1,4-benzoxazin-3(4H)-one Properties

Melting point	193-195 °C(lit.)
Boiling point	431.3±45.0 °C(Predicted)
Density	1.263±0.06 g/cm3(Predicted)
storage temp.	Storage temp. 2-8°C
form	powder to crystal
pka	12.06±0.20(Predicted)
color	White to Orange to Green
InChI	1S/C10H9NO3/c1-6(12)7-2-3-9-8(4-7)11-10(13)5-14-9/h2-4H,5H2,1H3,(H,11,13)
InChIKey	BKJFWHFUERNXLJ-UHFFFAOYSA-N
SMILES	CC(=O)c1ccc2OCC(=O)Nc2c1
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

HS Code

2934999090

Storage Class

11 - Combustible Solids

Hazard Classifications

Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

NFPA 704

	1
2		0

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one price More Price(46)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	475491	6-Acetyl-2H-1,4-benzoxazin-3(4H)-one 98%	26518-71-8	5g	$57	2023-06-20	Buy
TCI Chemical	A2755	6-Acetyl-2H-1,4-benzoxazin-3(4H)-one >98.0%(HPLC)(N)	26518-71-8	5g	$46	2026-04-30	Buy
TCI Chemical	A2755	6-Acetyl-2H-1,4-benzoxazin-3(4H)-one >98.0%(HPLC)(N)	26518-71-8	25g	$152	2026-04-30	Buy
Usbiological	261120	6-Acetyl-2H-1,4-benzoxazin-3(4h)-one Asreported	26518-71-8	10g	$363	2026-06-03	Buy
Usbiological	261120	6-Acetyl-2H-1,4-benzoxazin-3(4h)-one Asreported	26518-71-8	25g	$579	2026-06-03	Buy

Product number	Packaging	Price	Buy
475491	5g	$57	Buy
A2755	5g	$46	Buy
A2755	25g	$152	Buy
261120	10g	$363	Buy
261120	25g	$579	Buy

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one Chemical Properties, Uses, Production

Uses

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one, also referred to as 6-acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one, is a useful organic building block.

General Description

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one, also referred to as 6-acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one, is a useful organic building block.

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one Preparation Products And Raw materials

Raw materials

Preparation Products

2H-1,4-Benzoxazin-3(4H)-one, 6-[1-(hydroxyimino)ethyl]- 6-(3-phenylprop-2-enoyl)-3,4-dihydro-2H-1,4-benzoxazin-3-one

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one Suppliers

Global Suppliers ( 99)

Supplier	Tel	Email	Country	ProdList	Advantage
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Nanjing Chemlin Chemical Co., Ltd	025-83697070 13770331960	info@chemlin.com.cn	China	16306	64
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
HuiFeiChem(WuXi) PharmaTech Co.,Ltd	0510-0510-83593305	sales@huifeichem.com	China	102	62
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
Shanghai Sunway Pharmaceutical Technology Co., Ltd	13761987713	hxzheng@sunwaypharm.cn	China	8663	57

Supplier	Advantage
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Adamas Reagent, Ltd.	59
Nanjing Chemlin Chemical Co., Ltd	64
Shanghai Hanhong Scientific Co.,Ltd.	64
Chemsky（shanghai）International Co.,Ltd.	50
HuiFeiChem(WuXi) PharmaTech Co.,Ltd	62
Syntechem Co.,Ltd	57
Shanghai Sunway Pharmaceutical Technology Co., Ltd	57

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one Spectrum

6-ACETYL-2H-1,4-BENZOXAZIN-3(4H)-ONE(26518-71-8)¹HNMR

26518-71-8 (6-Acetyl-2H-1,4-benzoxazin-3(4H)-one) Related Search:

N-(2-Furylmethyl)-2-[(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbonyl]benzenecarboxamide Methyl 2-[(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbonyl]benzenecarboxylate 2-[(3-Oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbonyl]benzenecarboxylic acid 4-Oxo-4-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-2-butenoic acid 2-([4-(3-Fluorobenzyl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl]carbonyl)benzenecarboxylic acid

6-Acetyl-2H-1,4-benzoxazin-3(4H)-one 2-[(3-Oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbonyl]-N-[3-(trifluoromethyl)benzyl]benzenecarboxamide N-Cyclopropyl-2-[(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbonyl]benzenecarboxamide N-Benzyl-2-[(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbonyl]benzenecarboxamide 2-([4-(3,4-Dichlorobenzyl)-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl]carbonyl)benzenecarboxylic acid

6-(Chloroacetyl)-2H-1,4-benzoxazin-3(4H)-one 2,4-Dimethyl-7-acetyl-4H-1,4-benzoxazin-3(2H)-one 2,2,4-Trimethyl-7-acetyl-4H-1,4-benzoxazin-3(2H)-one

1of3

6-ACETYL-2H-BENZO[B][1,4]OXAZIN-3(4H)-ONE 6-ACETYL-2H-1,4-BENZOXAZIN-3(4H)-ONE, 98 % 6-Acetyl-2H-1,4-benzoxazin-3-one, 98% 2H-1,4-Benzoxazin-3(4H)-one, 6-acetyl- 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one 6-Acetyl-2H-1,4-benzoxazine-3(4H)-one JR-8122, 6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one, 97% 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one > 6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-, 98%, 6-acetyl-4H-1,4-benzoxazin-3-one 6-Acetylbenzoxazine-3-one 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one 26518-71-8 Benzoxazines Building Blocks Heterocyclic Building Blocks KETONE Building Blocks Chemical Synthesis Heterocyclic Building Blocks Benzoxazines Building Blocks Heterocyclic Building Blocks