2-Chloro-3-fluoropyridine-4-carbaldehyde

Name: 2-Chloro-3-fluoropyridine-4-carbaldehyde
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CAS No. 329794-28-7
Cat. No. CS-0007512
Purity≥95%
MDL No.MFCD04972388

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
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2-Chloro-3-fluoropyridine-4-carbaldehyde|CS-0007512

Structure of 329794-28-7

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General Information

CAS No. 329794-28-7
Cat. No. CS-0007512
Purity ≥95%
MDL No. MFCD04972388
Storage -20°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃ClFNO
Molecular Weight 159.55
Synonym(s) 2-Chloro-3-fluoropyridine-4-carboxaldehyde
SMILES O=CC1=C(F)C(Cl)=NC=C1

Description

2-Chloro-3-fluoropyridine-4-carbaldehyde features a pyridine core functionalized with chlorine, fluorine, and aldehyde groups at strategic positions. This electron-deficient heterocycle integrates readily into synthetic routes requiring polar, reactive intermediates. The aldehyde moiety enables efficient coupling reactions, while the halogen substituents support further diversification via cross-coupling or nucleophilic substitution. Bench-stable and moisture-tolerant, it serves as a key building block in pharmaceutical and agrochemical synthesis.

Application

2-Chloro-3-fluoropyridine-4-carbaldehyde serves as a versatile building block in medicinal chemistry, enabling the construction of fluorinated heterocyclic scaffolds. Its electrophilic aldehyde group facilitates nucleophilic additions and condensation reactions, while the ortho-chloro and meta-fluoro substituents provide orthogonal reactivity for downstream functionalization. The compound exhibits good bench stability and is compatible with standard purification methods, making it well-suited for use in multi-step syntheses of bioactive molecules.

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-H319
Precautionary Statements : P264-P270-P280-P330-P501

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Computational Chemistry Data

TPSA 29.96
LogP 1.6866
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Aldehyde

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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2-Chloro-3-fluoropyridine-4-carbaldehyde

CAS No. 329794-28-7

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