Products 703-59-3

CAS 703-59-3 appears in our catalog under these names: 3-hydroxy-1H-isochromen-1-one, 95%, Isochromane-1,3-dione, 98%, Homophthalic anhydride, Homophthalic anhydride, 97+% , Homophthalic Anhydride, >98.0%(GC). Offered by: Fluorochem, AmBeed, GLPBio, Thermo Scientific (Alfa Aesar), TCI. Available pack sizes: 250mg, 500mg, 2.5g, 5g, 10g, 25g, 100g, 250g.

3-hydroxy-1H-isochromen-1-one, 95%
Fluorochem
  • size: 250mg, 500mg, 2.5g, 5g
  • Variants: 10
from 102.07
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Isochromane-1,3-dione, 98%
AmBeed
  • size: 1g
  • Variants: 1
from 115.57
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Homophthalic anhydride
GLPBio
  • size: 100g, 25g, 5g
  • Variants: 3
from 564.28
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Homophthalic anhydride, 97+%
Thermo Scientific (Alfa Aesar)
  • size: 10g, 50g
  • Variants: 2
from 271.28
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Homophthalic Anhydride, >98.0%(GC)
TCI
  • size: 5g, 25g
  • Variants: 2
from 246.19
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o-Carboxyphenylacetic acid cyclic anhydride
Biosynth
  • size: 50g, 25g
  • Variants: 2
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Homophthalic anhydride, 98%
Thermo Scientific (Acros)
  • size: 5g, 25g, 100g
  • Variants: 3
from 143.43
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Isochromane-1,3-dione 97%
Ambeed
  • size: 5g, 10g, 25g, 100g
  • Variants: 4
from 203.50
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Homophthalic anhydride, 95%, 95%
Chemat
  • size: 1g, 5g, 10g, 25g
  • Variants: 6
from 83.60
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Isochroman-1,3-dione, 95%
Fluorochem
  • size: 250mg, 500mg, 2.5g, 5g
  • Variants: 10
from 102.07
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Structural formula: {0} (CAS {1})

4H-isochromene-1,3-dione (CAS 703-59-3) is a chemical compound with the molecular formula C9H6O3 and a molecular weight of 162.14 g/mol. IUPAC name: 4H-isochromene-1,3-dione. InChIKey: AKHSBAVQPIRVAG-UHFFFAOYSA-N.

Identity
Molecular formulaC9H6O3
Molecular weight162.14 g/mol
IUPAC name4H-isochromene-1,3-dione
InChIKeyAKHSBAVQPIRVAG-UHFFFAOYSA-N
SMILESC1C2=CC=CC=C2C(=O)OC1=O

Computed by PubChem (NCBI)

Synonyms: HOMOPHTHALIC ANHYDRIDE, 1H-2-Benzopyran-1,3(4H)-dione, Homophthalic acid anhydride, Isochroman-1,3-dione, 1,3-Isochromandione, 4H-isochromene-1,3-dione, isochromane-1,3-dione, 3,4-dihydro-1H-2-benzopyran-1,3-dione, Benzoglutaric anhydride, 1H-Isochromene-1,3(4H)-dione
Isomers (same molecular formula)
5-methyl-2-benzofuran-1,3-dione C9H6O3
1-oxo-3H-2-benzofuran-5-carbaldehyde C9H6O3
1-benzofuran-3-carboxylic acid C9H6O3
3-hydroxychromen-2-one C9H6O3
1-benzofuran-4-carboxylic acid C9H6O3
7-hydroxychromen-4-one C9H6O3
4-methyl-2-benzofuran-1,3-dione C9H6O3
isochromene-1,4-dione C9H6O3
8-hydroxychromen-2-one C9H6O3
5-hydroxychromen-4-one C9H6O3
3,4,5,6,8-pentadeuterio-7-hydroxychromen-2-one C9H6O3
3-methoxybicyclo[4.2.0]octa-1(6),2,4-triene-7,8-dione C9H6O3

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