2-Chloro-1H-imidazole

Name: 2-Chloro-1H-imidazole
Brand: ChemScene
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CAS No. 16265-04-6
Cat. No. CS-0020071
Purity≥97%
MDL No.MFCD02179530

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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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Structure of 16265-04-6

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Description

2-Chloro-1H-imidazole is a bench-stable, moisture-tolerant heterocycle featuring a chlorine substituent at the 2-position, enabling direct functionalization in cross-coupling and electrophilic substitution reactions. This electron-deficient imidazole serves as a robust scaffold for synthesizing bioactive molecules and advanced intermediates in medicinal chemistry and materials science.

Application

2-Chloro-1H-imidazole serves as a versatile building block in heterocyclic synthesis, enabling efficient access to substituted imidazoles via nucleophilic displacement or transition-metal-catalyzed coupling. Its bench-stable nature and compatibility with diverse functional groups facilitate straightforward incorporation into complex molecular architectures. The chloride moiety provides a reliable handle for C–C and C–heteroatom bond formation, making it a practical reagent for medicinal chemistry and process development workflows.

General Information

CAS No. 16265-04-6
Cat. No. CS-0020071
Purity ≥97%
MDL No. MFCD02179530
Storage -20°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₃H₃ClN₂
Molecular Weight 102.52
Synonym(s) 2-Chloroimidazole; oroimidazoL
SMILES ClC1=NC=CN1

Computational Chemistry Data

TPSA 28.68
LogP 1.0631
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 0

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS05,GHS07
Signal Word : Danger	UN#: 1759
Class : 8	Packing Group : Ⅲ
Hazard Statements : H302-H315-H318-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 Skeleton Aromatic heterocycle compounds Imidazole compounds

Key Words

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2-Chloro-1H-imidazole

CAS No. 16265-04-6

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