2-Chloro-4-iodo-5-methylpyridine

Name: 2-Chloro-4-iodo-5-methylpyridine
Brand: ChemScene
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CAS No. 1197957-18-8
Cat. No. CS-0128221
Purity≥97%
MDL No.MFCD16610529

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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-iodo-5-methylpyridine|CS-0128221

Structure of 1197957-18-8

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General Information

CAS No. 1197957-18-8
Cat. No. CS-0128221
Purity ≥97%
MDL No. MFCD16610529
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₅ClIN
Molecular Weight 253.47
Synonym(s) None
SMILES CC1=CN=C(Cl)C=C1I

Description

2-Chloro-4-iodo-5-methylpyridine features a trifunctional pyridine core with complementary halogen handles enabling sequential cross-coupling. The chlorine and iodine substituents facilitate orthogonal Pd-catalyzed transformations, while the methyl group enhances solubility and modulates electronic properties. This scaffold supports efficient diversification in medicinal chemistry and materials synthesis.

Application

2-Chloro-4-iodo-5-methylpyridine serves as a versatile building block in cross-coupling chemistry, enabling the construction of complex heterocyclic scaffolds. The orthogonal reactivity of chlorine and iodine allows sequential functionalization under distinct catalytic conditions. Its bench-stable nature and tolerance to diverse reaction environments facilitate efficient synthesis of pharmaceutical intermediates and agrochemical candidates.

Safety Information

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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

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Computational Chemistry Data

TPSA 12.89
LogP 2.64802
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2-Chloro-4-iodo-5-methylpyridine

CAS No. 1197957-18-8

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