Chemical identity

5-Carboxyphthalide

CAS 4792-29-4 · C9H6O4

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-03434
PubChem CID78517
Name5-Carboxyphthalide
CAS RN4792-29-4
Molecular formulaC9H6O4
Molecular weight178.14 g/mol
IUPAC name1,3-Dihydro-1-oxo-5-isobenzofurancarboxylic Acid
InChIKeyQTWUWCFGWYYRRL-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 78517
Two-dimensional chemical structure of 5-Carboxyphthalide, CAS 4792-29-4
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count2
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESC1C2=C(C=CC(=C2)C(=O)O)C(=O)O1
InChINot listed
Formula from structureC9H6O4
Molecular weight from structure178.14 g/mol

03India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNO EXACT MATCH FOUNDCAS 4792-29-4 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 4792-29-4 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

04Names and relationships

Associated parent compound

ESCITALOPRAM

View API and impurity family

Other names

  • 1-oxo-1,3-dihydro-2-benzofuran-5-carboxylic acid
  • Phthalide-5-carboxylic acid
  • 1-oxo-3H-2-benzofuran-5-carboxylic acid
  • 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1-oxo-

Related records from the same parent family

05Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

06Sources