2-Bromo-3-chlorobenzaldehyde

Name: 2-Bromo-3-chlorobenzaldehyde
Brand: ChemScene
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CAS No. 74073-40-8
Cat. No. CS-W005378
Purity≥96%
MDL No.MFCD10699536

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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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General Information

CAS No. 74073-40-8
Cat. No. CS-W005378
Purity ≥96%
MDL No. MFCD10699536
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₄BrClO
Molecular Weight 219.46
Synonym(s) Benzaldehyde, 2-bromo-3-chloro-
SMILES O=CC1=CC=CC(Cl)=C1Br

Description

2-Bromo-3-chlorobenzaldehyde features a dual halogenated aromatic core with strategically positioned bromo and chloro substituents flanking the aldehyde group. This configuration enables selective coupling reactions in cross-coupling protocols and facilitates downstream functionalization in pharmaceutical and agrochemical synthesis. The molecule exhibits enhanced reactivity due to the electron-withdrawing effect of adjacent halogens, while maintaining bench-stable handling characteristics under standard conditions.

Application

2-Bromo-3-chlorobenzaldehyde serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling palladium-catalyzed cross-coupling reactions due to its orthogonal halogen reactivity. The aldehyde group facilitates downstream functionalization via oxidation, reduction, or nucleophilic addition, while the bromo and chloro substituents offer complementary coupling handles for sequential diversification. Bench-stable and compatible with standard purification methods, it functions reliably in multi-step syntheses requiring regioselective transformations.

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 17.07
LogP 2.915
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Aldehyde

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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2-Bromo-3-chlorobenzaldehyde

CAS No. 74073-40-8

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