5-Bromo-2,4-dichlorophenol

Name: 5-Bromo-2,4-dichlorophenol
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CAS No. 183803-12-5
Cat. No. CS-0157826
Purity≥97%
MDL No.MFCD16038723

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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 183803-12-5

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General Information

CAS No. 183803-12-5
Cat. No. CS-0157826
Purity ≥97%
MDL No. MFCD16038723
Storage RT, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃BrCl₂O
Molecular Weight 241.90
Synonym(s) Phenol, 5-broMo-2,4-dichloro-
SMILES C1=C(C(=CC(=C1O)Cl)Cl)Br

Description

5-Bromo-2,4-dichlorophenol features a brominated aromatic ring with strategically positioned chloro substituents, delivering enhanced electrophilic reactivity. This electron-deficient scaffold integrates readily into cross-coupling and Ullmann-type transformations. The compound exhibits bench-stable handling under standard conditions, enabling reliable use in synthetic sequences requiring halogen-directed functionalization.

Application

5-Bromo-2,4-dichlorophenol serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling efficient functionalization via palladium-catalyzed cross-coupling reactions. Its bromine substituent provides high reactivity for Suzuki, Stille, and Negishi couplings, while the phenolic hydroxyl group offers orthogonal handling for protection or derivatization. The molecule exhibits excellent bench stability and facilitates purification by recrystallization, making it well-suited for scalable synthesis of complex heterocyclic scaffolds and API intermediates.

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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Computational Chemistry Data

TPSA 20.23
LogP 3.4615
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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5-Bromo-2,4-dichlorophenol

CAS No. 183803-12-5

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