2-Chloro-6-fluorobenzo[d]oxazole

Name: 2-Chloro-6-fluorobenzo[d]oxazole
Brand: ChemScene
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CAS No. 153403-53-3
Cat. No. CS-0040099
Purity≥98%
MDL No.MFCD16250625

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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-6-fluorobenzo[d]oxazole|CS-0040099

Structure of 153403-53-3

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Description

2-Chloro-6-fluorobenzo[d]oxazole is a heterocyclic scaffold featuring orthogonal halogen substituents enabling selective cross-coupling and bioisosteric replacement in medicinal chemistry. This electron-deficient system integrates readily into pharmaceutical intermediates, offering enhanced metabolic stability and tunable polarity for lead optimization.

Application

2-Chloro-6-fluorobenzo[d]oxazole serves as a versatile heterocyclic building block in medicinal chemistry and materials science. Its orthogonal reactivity enables palladium-catalyzed cross-coupling transformations, while the electron-withdrawing halogens facilitate nucleophilic substitution under mild conditions. The scaffold exhibits excellent bench stability and compatibility with diverse functional groups, simplifying purification and integration into complex molecular architectures.

General Information

CAS No. 153403-53-3
Cat. No. CS-0040099
Purity ≥98%
MDL No. MFCD16250625
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₃ClFNO
Molecular Weight 171.56
Synonym(s) 2-chloro-6-fluoro-1,3-benzoxazole
SMILES FC1=CC=C2N=C(Cl)OC2=C1

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-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

Quality Control

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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-6-fluorobenzo[d]oxazole

CAS No. 153403-53-3

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