3-Chloro-2-iodopyridine

Name: 3-Chloro-2-iodopyridine
Brand: ChemScene
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CAS No. 77332-89-9
Cat. No. CS-W021896
Purity≥98%
MDL No.MFCD09258810

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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+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

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Structure of 77332-89-9

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Description

3-Chloro-2-iodopyridine is a halogenated pyridine derivative featuring complementary reactive sites for cross-coupling and functionalization. The chlorine and iodine substituents enable sequential transformations under palladium catalysis, while the electron-deficient pyridine ring facilitates nucleophilic substitution. This bifunctional scaffold supports efficient synthesis of complex heterocycles in medicinal chemistry and materials science.

Application

3-Chloro-2-iodopyridine serves as a versatile building block in cross-coupling chemistry, enabling palladium-catalyzed transformations such as Suzuki, Stille, and Negishi reactions. The orthogonal reactivity of chlorine and iodine facilitates sequential functionalization, while the pyridine core provides a stable heterocyclic scaffold for medicinal chemistry applications. Bench-stable and compatible with standard purification methods, it functions reliably in multi-step synthesis workflows.

General Information

CAS No. 77332-89-9
Cat. No. CS-W021896
Purity ≥98%
MDL No. MFCD09258810
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₃ClIN
Molecular Weight 239.44
Synonym(s) 2-iodo-3-chloropyridine
SMILES ClC1=CC=CN=C1I

Computational Chemistry Data

TPSA 12.89
LogP 2.3396
H_Acceptors 1
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 Pyridine compounds

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3-Chloro-2-iodopyridine

CAS No. 77332-89-9

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