2,5-Dichloropyridin-4-ol

Name: 2,5-Dichloropyridin-4-ol
Brand: ChemScene
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CAS No. 847664-65-7
Cat. No. CS-0149625
Molecule weight163.99
Purity≥98%
MDL No.MFCD01861982

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
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General Information

CAS No. 847664-65-7
Cat. No. CS-0149625
Purity ≥98%
MDL No. MFCD01861982
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₃Cl₂NO
Molecular Weight 163.99
Synonym(s) 4-Pyridinol,2,5-dichloro-
SMILES OC1=CC(Cl)=NC=C1Cl

Description

2,5-Dichloropyridin-4-ol features a pyridinol core bearing two chlorine substituents at the 2 and 5 positions, enhancing its electrophilic character at the 4-position. This configuration enables efficient coupling in cross-coupling reactions, particularly under palladium catalysis. The molecule exhibits good bench stability and solubility in common organic solvents, facilitating use in synthetic workflows. Its electron-deficient heterocyclic framework supports selective functionalization, making it valuable for constructing complex pharmaceutical intermediates and agrochemical scaffolds.

Application

2,5-Dichloropyridin-4-ol serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling efficient late-stage functionalization via nucleophilic substitution. Its dichloro pattern at the 2- and 5-positions provides orthogonal reactivity for selective derivatization, while the phenolic hydroxyl group enhances solubility and facilitates downstream conjugation. The compound exhibits good bench stability and is compatible with standard coupling protocols, making it well-suited for modular synthesis of heterocyclic scaffolds and targeted molecular libraries.

Safety Information

Download SDS

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+P364-P405-P501

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Computational Chemistry Data

TPSA 33.12
LogP 2.094
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

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2,5-Dichloropyridin-4-ol

CAS No. 847664-65-7

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