Description

2,3,5,6-Tetrachlorobenzene-1,4-dicarbaldehyde (CAS No. 3421-67-8) is a highly specialized aromatic aldehyde with the molecular formula C₈H₂Cl₄O₂. This compound features two aldehyde functional groups symmetrically positioned on a tetrachlorinated benzene ring, making it a valuable intermediate in organic synthesis and material science. With a purity grade suitable for research applications, it is ideal for use in the development of pharmaceuticals, agrochemicals, and advanced polymeric materials. Its unique chlorinated structure enhances reactivity and stability, offering researchers precise control in synthetic pathways. Packaged under inert conditions to ensure longevity and performance consistency, this product is a must-have for high-precision chemical research.

Properties

• CAS Number: 3421-67-8
• Complexity: 195
• IUPAC Name: 2,3,5,6-tetrachloroterephthalaldehyde
• InChI: InChI=1S/C8H2Cl4O2/c9-5-3(1-13)6(10)8(12)4(2-14)7(5)11/h1-2H
• InChI Key: HJTJOWBGKFNDFZ-UHFFFAOYSA-N
• Exact Mass: 271.877940
• Molecular Formula: C8H2Cl4O2
• Molecular Weight: 271.9
• SMILES: C(=O)C1=C(C(=C(C(=C1Cl)Cl)C=O)Cl)Cl
• Topological: 34.1
• Monoisotopic Mass: 269.880890
• Synonyms: 3421-67-8, 2,3,5,6-tetrachlorobenzene-1,4-dicarbaldehyde, DTXSID80295659, DTXCID30246797, 2,3,5,6-tetrachloroterephthalaldehyde, MFCD02677623, NSC103717, NCIOpen2_007288, SCHEMBL101012, 1,4-Benzenedicarboxaldehyde, 2,3,5,6-tetrachloro-, SCHEMBL1808770, YSZC1861, AKOS024332883, NSC-103717, 2,3,5,6-tetrachloroterephthalic aldehyde, CS-0379258, H27351

This compound is primarily utilized as a key intermediate in the synthesis of complex organic molecules, particularly in pharmaceutical and agrochemical research. Its dichloro-substituted aromatic core makes it useful in the development of herbicides and fungicides. Additionally, it serves as a precursor in the production of specialty polymers and ligands for catalysis. Researchers also employ it in the study of halogenated aromatic compounds’ environmental impact.

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