3-Chloroisonicotinaldehyde

Name: 3-Chloroisonicotinaldehyde
Brand: ChemScene
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CAS No. 72990-37-5
Cat. No. CS-W011026
Purity≥98%
MDL No.MFCD06200712

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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 72990-37-5

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Description

3-Chloroisonicotinaldehyde delivers a reactive aldehyde group flanked by a chlorine substituent at the pyridine ring's meta position, enabling selective coupling in heterocyclic synthesis. This bench-stable, moisture-tolerant reagent integrates readily into pharmaceutical intermediates and functional materials.

Application

3-Chloroisonicotinaldehyde serves as a versatile building block in medicinal chemistry and synthetic organic chemistry, enabling efficient construction of heterocyclic scaffolds. Its electrophilic aldehyde functionality reacts readily with amines, hydrazines, and nucleophiles under mild conditions, facilitating the synthesis of imines, hydrazones, and related derivatives. The ortho-chloro substituent enhances reactivity in cross-coupling processes and provides a handle for further functionalization, while maintaining bench stability and ease of purification—ideal for scalable synthesis and process development.

General Information

CAS No. 72990-37-5
Cat. No. CS-W011026
Purity ≥98%
MDL No. MFCD06200712
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₄ClNO
Molecular Weight 141.55
Synonym(s) 3-Chloropyridine-4-carboxaldehyde
SMILES ClC1=C(C=CN=C1)C=O

Computational Chemistry Data

TPSA 29.96
LogP 1.5475
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 1

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

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Other Classifications

Building Blocks Functional Group Aldehyde

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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3-Chloroisonicotinaldehyde

CAS No. 72990-37-5

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