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Reference substances

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IUPAC name:
4-chloro-1,3-dihydro-2-benzofuran-1,3-dione

Inventory

EC number:
204-179-8
EC name:
3-chlorophthalic anhydride
CAS number:
117-21-5
CAS number:
117-21-5
Synonyms
Names:
3-chlorophthalic anhydride
4-chloro-1,3-isobenzofurandione
Phthalic anhydride, 3-chloro-
Identifier:
IUPAC name
4-chloro-2-benzofuran-1,3-dione
Identifier:
other: SMILES notation
C1(OC(=O)c2c1c(Cl)ccc2)=O
4-chloro-2-benzofuran-1,3-dione

Molecular and structural information

Molecular formula:
C8H3ClO3
Molecular weight:
ca. 182.56
SMILES notation:
C1(OC(=O)c2c1c(Cl)ccc2)=O
InChl:
1/C8H3ClO3/c9-5-3-1-2-4-6(5)8(11)12-7(4)10/h1-3H
Structural formula:
Chemical structure

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