Date published: 2026-4-5

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4,5-Dichlorophthalic acid (CAS 56962-08-4)

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CAS Number:
56962-08-4
Purity:
≥98%
Molecular Weight:
235.02
Molecular Formula:
C8H4Cl2O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4,5-Dichlorophthalic acid functions as a potent inhibitor of the enzyme acetylcholinesterase, a key player in the breakdown of the neurotransmitter acetylcholine within the brain. By impeding the activity of this enzyme, 4,5-Dichlorophthalic acid effectively raises the levels of acetylcholine in the brain. This elevation in acetylcholine concentration brings forth a multitude of effects, such as heightened alertness, enhanced memory, and improved motor coordination. The interference caused by 4,5-Dichlorophthalic acid in the breakdown process allows acetylcholine to persist for longer durations, amplifying its influence and leading to the observed cognitive and neurological enhancements.


4,5-Dichlorophthalic acid (CAS 56962-08-4) References

  1. One-dimensional hydrogen-bonded structures in the 1:1 proton-transfer compounds of 4,5-dichlorophthalic acid with 8-hydroxyquinoline, 8-aminoquinoline and quinoline-2-carboxylic acid (quinaldic acid).  |  Smith, G., et al. 2008. Acta Crystallogr C. 64: o180-3. PMID: 18322349
  2. Two- and three-dimensional hydrogen-bonded structures in the 1:1 proton-transfer compounds of 4,5-dichlorophthalic acid with the isomeric monoaminobenzoic acids.  |  Smith, G., et al. 2008. Acta Crystallogr C. 64: o532-6. PMID: 18758028
  3. Zero-, one- and two-dimensional hydrogen-bonded structures in the 1:1 proton-transfer compounds of 4,5-dichlorophthalic acid with the monocyclic heteroaromatic Lewis bases 2-aminopyrimidine, nicotinamide and isonicotinamide.  |  Smith, G., et al. 2009. Acta Crystallogr C. 65: o103-7. PMID: 19265221
  4. Low-dimensional hydrogen-bonded structures in the 1:1 and 1:2 proton-transfer compounds of 4,5-dichlorophthalic acid with the aliphatic Lewis bases triethylamine, diethylamine, n-butylamine and piperidine.  |  Smith, G. and Wermuth, UD. 2010. Acta Crystallogr C. 66: o374-80. PMID: 20603569
  5. 5,6-Dichloro-2-(3-methoxy-phen-yl)isoindoline-1,3-dione.  |  Büyükgüngör, O. and Odabaşoğlu, M. 2008. Acta Crystallogr Sect E Struct Rep Online. 64: o881. PMID: 21202365
  6. 1,10-Phenanthrolin-1-ium 2-carb-oxy-4,5-dichloro-benzoate.  |  Smith, G., et al. 2009. Acta Crystallogr Sect E Struct Rep Online. 65: o2333. PMID: 21577804
  7. 4-Methyl-pyridinium 2-carb-oxy-4,5-dichloro-benzoate monohydrate.  |  Smith, G. and Wermuth, UD. 2010. Acta Crystallogr Sect E Struct Rep Online. 66: o1254. PMID: 21579358
  8. Isopropyl-aminium 2-carb-oxy-4,5-di-chloro-benzoate.  |  Smith, G. and Wermuth, UD. 2009. Acta Crystallogr Sect E Struct Rep Online. 66: o133. PMID: 21580024
  9. Ethane-1,2-diaminium 4,5-dichloro-phthalate.  |  Smith, G. and Wermuth, UD. 2009. Acta Crystallogr Sect E Struct Rep Online. 66: o235. PMID: 21580117
  10. Bis(guanidinium) 4,5-dichloro-phthalate monohydrate.  |  Smith, G. and Wermuth, UD. 2011. Acta Crystallogr Sect E Struct Rep Online. 67: o1645. PMID: 21837049
  11. tert-Butyl-aminium 2-carb-oxy-4,5-dichloro-benzoate.  |  Smith, G. and Wermuth, UD. 2011. Acta Crystallogr Sect E Struct Rep Online. 67: o2461. PMID: 22064684
  12. Bis(benzyl-aminium) 4,5-dichloro-benzene-1,2-dicarboxyl-ate monohydrate.  |  Smith, G. and Wermuth, UD. 2012. Acta Crystallogr Sect E Struct Rep Online. 68: o1928. PMID: 22719681
  13. 4-Meth-oxy-anilinium 2-carb-oxy-4,5-di-chloro-benzoate.  |  Smith, G. and Wermuth, UD. 2013. Acta Crystallogr Sect E Struct Rep Online. 69: o1546. PMID: 24098231
  14. (15)N and (1)H Solid-State NMR Investigation of a Canonical Low-Barrier Hydrogen-Bond Compound: 1,8-Bis(dimethylamino)naphthalene.  |  White, PB. and Hong, M. 2015. J Phys Chem B. 119: 11581-9. PMID: 26244754
  15. SYNTHESIS OF 1,3,4-OXADIAZOLES AS SELECTIVE T-TYPE CALCIUM CHANNEL INHIBITORS.  |  Zhang, M., et al. 2020. Heterocycles. 101: 145-164. PMID: 32773946

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4,5-Dichlorophthalic acid, 1 g

sc-233063
1 g
$61.00

4,5-Dichlorophthalic acid, 5 g

sc-233063A
5 g
$102.00