2-Chloro-4-fluorobenzo[d]oxazole

Name: 2-Chloro-4-fluorobenzo[d]oxazole
Brand: ChemScene
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CAS No. 1163123-39-4
Cat. No. CS-0186605
Purity≥95%
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+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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2-Chloro-4-fluorobenzo[d]oxazole|CS-0186605

Structure of 1163123-39-4

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Description

2-Chloro-4-fluorobenzo[d]oxazole is a heterocyclic scaffold featuring orthogonal halogen substituents enabling selective cross-coupling transformations. This electron-deficient aromatic system integrates readily into pharmaceutical intermediates and functional materials, offering enhanced metabolic stability and controlled reactivity under standard coupling conditions.

Application

2-Chloro-4-fluorobenzo[d]oxazole serves as a versatile heterocyclic building block in medicinal chemistry, enabling direct functionalization at the chloro and fluoro positions via palladium-catalyzed cross-coupling or nucleophilic substitution. Its stability under standard reaction conditions and predictable reactivity facilitate efficient synthesis of complex scaffolds relevant to pharmaceutical development.

General Information

CAS No. 1163123-39-4
Cat. No. CS-0186605
Purity ≥95%
MDL No. None
Storage -20°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₃ClFNO
Molecular Weight 171.56
Synonym(s) 2-Chloro-4-fluorobenzoxazole
SMILES FC1=C2N=C(OC2=CC=C1)Cl

Computational Chemistry Data

TPSA 26.03
LogP 2.6203
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 0

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

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Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic heterocycle compounds Benzooxazole compounds

Key Words

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2-Chloro-4-fluorobenzo[d]oxazole

CAS No. 1163123-39-4

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