3-Bromo-4-fluorobenzaldehyde

Name: 3-Bromo-4-fluorobenzaldehyde
Brand: ChemScene
Availability: InStock
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CAS No. 77771-02-9
Cat. No. CS-B1308
Purity≥98%
MDL No.MFCD00042186

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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 77771-02-9

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Description

3-Bromo-4-fluorobenzaldehyde features a strategically positioned bromine and fluorine substituent on the benzene ring, enabling selective cross-coupling reactions. The aldehyde functionality provides a direct handle for nucleophilic addition or condensation processes. This electron-deficient aromatic scaffold offers enhanced reactivity in palladium-catalyzed transformations and is compatible with standard bench protocols.

Application

3-Bromo-4-fluorobenzaldehyde 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 direct functionalization or condensation reactions, while the bromo and fluoro substituents provide excellent compatibility with standard transition-metal catalysis and enhanced metabolic stability in bioactive scaffolds. Bench-stable and readily purified by distillation, it functions reliably in multi-step syntheses.

General Information

CAS No. 77771-02-9
Cat. No. CS-B1308
Purity ≥98%
MDL No. MFCD00042186
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₄BrFO
Molecular Weight 203.01
Synonym(s) 4-Fluoro-3-bromobenzaldehyde
SMILES O=CC1=CC=C(F)C(Br)=C1

Computational Chemistry Data

TPSA 17.07
LogP 2.4007
H_Acceptors 1
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 Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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3-Bromo-4-fluorobenzaldehyde

CAS No. 77771-02-9

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