Products 16281-39-3

CAS 16281-39-3 appears in our catalog under these names: 5-Chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxylic acid, 98%, 7-Carboxy-5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin, >95% (HPLC), 7-Carboxy-5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin, Ochratoxin alpha, Concentration: 100 µg/ml Solvent: Acetonitrile, Ochratoxin alpha. Offered by: Chemat Brand, TRC, Biosynth, HPC Standards. Available pack sizes: on request, 10mg, 1mg, 5mg, 25mg, 50mg, 1x1ml, 1x10mg.

5-Chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxylic acid, 98%
Chemat Brand
  • size: on request
  • Variants: 1
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7-Carboxy-5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin, >95% (HPLC)
TRC
  • size: 10mg, 1mg, 5mg
  • Variants: 3
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7-Carboxy-5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin
Biosynth
  • size: 5mg, 10mg, 25mg, 50mg
  • Variants: 4
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Ochratoxin alpha, Concentration: 100 µg/ml Solvent: Acetonitrile
HPC Standards
  • size: 1x1ml
  • Variants: 1
from 3053.38
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Ochratoxin alpha
HPC Standards
  • size: 1x10mg
  • Variants: 2
from 3865.77
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Structural formula: {0} (CAS {1})

5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carboxylic acid (CAS 16281-39-3) is a chemical compound with the molecular formula C11H9ClO5 and a molecular weight of 256.64 g/mol. IUPAC name: 5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carboxylic acid. InChIKey: OSFWJKYWJMZKSM-UHFFFAOYSA-N.

Identity
Molecular formulaC11H9ClO5
Molecular weight256.64 g/mol
IUPAC name5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carboxylic acid
InChIKeyOSFWJKYWJMZKSM-UHFFFAOYSA-N
SMILESCC1CC2=C(C=C(C(=C2C(=O)O1)O)C(=O)O)Cl

Computed by PubChem (NCBI)

Synonyms: 5-Chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin-7-carboxylic acid, 5-Chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxylic acid, 7-Carboxy-5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin, 5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carboxylic acid, 5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carboxylic acid, C11H9ClO5, 5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1h-2-benzopyran-1-one-7-carboxylic acid, OSFWJKYWJMZKSM-UHFFFAOYSA-N, (+/-)-alpha-ochratoxin, .ALPHA.-OCHRATOXIN, (+/-)-
Related forms of this compound
(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carboxylic acid C11H9ClO5
Isomers (same molecular formula)
(3-acetyloxy-5-carbonochloridoylphenyl) acetate C11H9ClO5