5-Chloro-2-methylbenzo[d]oxazole

Name: 5-Chloro-2-methylbenzo[d]oxazole
Brand: ChemScene
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CAS No. 19219-99-9
Cat. No. CS-W010795
Purity≥97%
MDL No.MFCD00022850

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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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5-Chloro-2-methylbenzo[d]oxazole|CS-W010795

Structure of 19219-99-9

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Description

5-Chloro-2-methylbenzo[d]oxazole is a heterocyclic aromatic compound featuring a chlorinated benzene ring fused to an oxazole moiety. This structure imparts enhanced electron-deficient character and stability, enabling its use in transition-metal-catalyzed coupling reactions. The methyl group provides a site for further functionalization, while the chlorine atom serves as a reactive handle for cross-coupling or nucleophilic substitution. Bench-stable under standard conditions, it integrates readily into complex molecular architectures.

Application

5-Chloro-2-methylbenzo[d]oxazole serves as a versatile heterocyclic building block in medicinal chemistry and materials science. Its electron-deficient aromatic core enables efficient palladium-catalyzed cross-coupling reactions, while the chloro and methyl groups provide orthogonal sites for further functionalization. The compound exhibits excellent bench stability, simplifies purification, and functions reliably in standard synthetic workflows involving Suzuki-Miyaura, Buchwald-Hartwig, or nucleophilic substitution protocols.

General Information

CAS No. 19219-99-9
Cat. No. CS-W010795
Purity ≥97%
MDL No. MFCD00022850
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₈H₆ClNO
Molecular Weight 167.59
Synonym(s) 5-Chloro-2-methylbenzoxazole
SMILES CC1=NC2=CC(Cl)=CC=C2O1

Computational Chemistry Data

TPSA 26.03
LogP 2.78962
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 Skeleton Aromatic heterocycle compounds Benzooxazole compounds

Key Words

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5-Chloro-2-methylbenzo[d]oxazole

CAS No. 19219-99-9

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