2-Chloro-3,6-difluorobenzaldehyde

Name: 2-Chloro-3,6-difluorobenzaldehyde
Brand: ChemScene
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CAS No. 261762-39-4
Cat. No. CS-W017393
Molecule weight176.55
Purity≥97%
MDL No.MFCD01631443

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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-3,6-difluorobenzaldehyde|CS-W017393

Structure of 261762-39-4

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General Information

CAS No. 261762-39-4
Cat. No. CS-W017393
Purity ≥97%
MDL No. MFCD01631443
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₃ClF₂O
Molecular Weight 176.55
Synonym(s) None
SMILES O=CC1=C(F)C=CC(F)=C1Cl

Description

2-Chloro-3,6-difluorobenzaldehyde features a trifluorinated aromatic core with a reactive aldehyde group, enabling efficient coupling in cross-coupling and Ullmann-type reactions. The electron-deficient ring enhances electrophilicity, while the ortho-chloro and meta-fluoro substituents provide steric and electronic control for selective functionalization. This bench-stable reagent integrates readily into complex molecular architectures under standard conditions.

Application

2-Chloro-3,6-difluorobenzaldehyde serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling efficient construction of fluorinated heterocycles and substituted aromatic scaffolds. Its ortho-chloro and meta-difluoro substitution pattern provides enhanced metabolic stability and modulates electronic properties, while the aldehyde functionality facilitates nucleophilic addition, reductive amination, and Ullmann-type coupling reactions. Bench-stable and amenable to standard purification techniques, it functions reliably in multi-step syntheses requiring precise regiocontrol.

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 : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362-P405-P501

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Computational Chemistry Data

TPSA 17.07
LogP 2.4307
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Aldehyde

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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2-Chloro-3,6-difluorobenzaldehyde

CAS No. 261762-39-4

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