5-Chloro-2,4-dihydroxybenzaldehyde

Name: 5-Chloro-2,4-dihydroxybenzaldehyde
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CAS No. 131088-02-3
Cat. No. CS-0040549
Purity≥98%
MDL No.MFCD18324145

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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5-Chloro-2,4-dihydroxybenzaldehyde|CS-0040549

Structure of 131088-02-3

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General Information

CAS No. 131088-02-3
Cat. No. CS-0040549
Purity ≥98%
MDL No. MFCD18324145
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₅ClO₃
Molecular Weight 172.57
Synonym(s) 2,4 -dihydroxy-5-chlorobenzaldehyde
SMILES O=CC1=CC(Cl)=C(O)C=C1O

Description

5-Chloro-2,4-dihydroxybenzaldehyde features a chlorinated aromatic core with two hydroxyl groups positioned ortho and para to the aldehyde functionality. This electron-deficient scaffold enables direct coupling in cross-coupling reactions and serves as a key building block for bioactive heterocycles and fluorescent probes under standard conditions.

Application

5-Chloro-2,4-dihydroxybenzaldehyde serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling efficient access to substituted benzene scaffolds. Its ortho-dihydroxy arrangement facilitates metal-catalyzed coupling reactions and oxidative cyclizations, while the aldehyde group supports reductive amination and condensation protocols. Bench-stable and amenable to standard purification methods, it functions reliably in multi-step syntheses requiring functional group tolerance and predictable reactivity.

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 57.53
LogP 1.5637
H_Acceptors 3
H_Donors 2
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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5-Chloro-2,4-dihydroxybenzaldehyde

CAS No. 131088-02-3

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