Chemical identity

Pamoic Acid

CAS 130-85-8 · C23H16O6

01Identity

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

Lazychem IDLC-24621
PubChem CID8546
NamePamoic Acid
CAS RN130-85-8
Molecular formulaC23H16O6
Molecular weight388.38 g/mol
IUPAC name(4,4'-Methylenebis(3-hydroxy-2-naphthoic acid))
InChIKeyWLJNZVDCPSBLRP-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 8546
Two-dimensional chemical structure of Pamoic Acid, CAS 130-85-8
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 4 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count4
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESO=C(O)C1=C(O)C(CC2=C3C=CC=CC3=CC(C(O)=O)=C2O)=C4C=CC=CC4=C1
InChINot listed
Formula from structureC23H16O6
Molecular weight from structure388.38 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 130-85-8 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 130-85-8 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

Pyrantel/ Oxantel

View API and impurity family

Other names

  • Pamoic Acid/ Embonic Acid/ Pyrantel Impurity 1
  • Pyrantel Impurity 1
  • 4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid
  • 1, 1'-Methylene-bis(2-hydroxy-3-naphthoic acid)
  • 4, 4'-methylenebis(3-hydroxynaphthalene-2-carboxylic acid)
  • 1, 1'-Dinaphthylmethan-2, 2'-dihydroxy-3, 3'-dicarbonsaeure
  • 3, 3'-Dihydroxy-4, 4'-methylenedi(2-naphthoic acid)
  • Pamoic Acid
  • Embonic Acid

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