4-Chlorophthalic anhydride

For research use only. Not for therapeutic Use.

  • CAT Number: M071288
  • CAS Number: 118-45-6
  • Molecular Formula: C8H3ClO3
  • Molecular Weight: 182.559
  • Purity: ≥95%
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4-Chlorophthalic anhydride (Cat.No:M071288) is a chemical compound used in the production of dyes, pigments, and as a precursor in the synthesis of various organic compounds. It is derived from phthalic anhydride through chlorination and finds applications in the manufacture of coatings, plastics, and specialty chemicals.


Catalog Number M071288
CAS Number 118-45-6
Molecular Formula C8H3ClO3
Purity ≥95%
Storage -20°C
IUPAC Name 5-chloro-2-benzofuran-1,3-dione
InChI InChI=1S/C8H3ClO3/c9-4-1-2-5-6(3-4)8(11)12-7(5)10/h1-3H
InChIKey BTTRMCQEPDPCPA-UHFFFAOYSA-N
SMILES C1=CC2=C(C=C1Cl)C(=O)OC2=O

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