6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one

Name: 6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one
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CAS No. 26518-71-8
Cat. No. CS-0073010
Molecule weight191.18
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
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6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one|CS-0073010

Structure of 26518-71-8

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General Information

CAS No. 26518-71-8
Cat. No. CS-0073010
Purity ≥98%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₀H₉NO₃
Molecular Weight 191.18
Synonym(s) 6-Acetyl-2H-1,4-benzoxazin-3(4H)-one
SMILES O=C1NC2=CC(C(C)=O)=CC=C2OC1

Description

6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one features a fused oxazinone scaffold with a strategically positioned acetyl group, enabling direct incorporation into heterocyclic architectures. This electron-deficient core serves as a reactive handle for nucleophilic substitution and transition-metal-catalyzed coupling reactions under mild conditions. The bench-stable, moisture-tolerant structure simplifies handling in synthetic workflows.

Application

6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one serves as a versatile building block for heterocyclic synthesis, enabling efficient access to bioactive scaffolds through regioselective functionalization at the acetyl and oxazinone moieties. Its bench-stable nature and compatibility with common coupling and cyclization protocols facilitate straightforward incorporation into medicinal chemistry campaigns and process development workflows.

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362-P405-P501

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Computational Chemistry Data

TPSA 55.4
LogP 1.2201
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 1

Key Words

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6-Acetyl-2H-benzo[b][1,4]oxazin-3(4H)-one

CAS No. 26518-71-8

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