Chemical identity

Sulfasalazine EP Impurity F / Sulfasalazine 3-Isomer

CAS 66364-71-4 · C18H14N4O5S

01Identity

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

Lazychem IDLC-28592
PubChem CID135565450
NameSulfasalazine EP Impurity F / Sulfasalazine 3-Isomer
CAS RN66364-71-4
Molecular formulaC18H14N4O5S
Molecular weight398.39 g/mol
IUPAC name2-Hydroxy-3-[2-[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]benzoic acid
InChIKeyRQKGJJSJEOATBZ-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 135565450
Two-dimensional chemical structure of Sulfasalazine EP Impurity F / Sulfasalazine 3-Isomer, CAS 66364-71-4
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 3 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count3
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESC1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N=NC3=CC=CC(=C3O)C(=O)O
InChINot listed
Formula from structureC18H14N4O5S
Molecular weight from structure398.39 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 66364-71-4 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 66364-71-4 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

Sulfasalazine

View API and impurity family

Other names

  • Sulfasalazine EP Impurity F
  • Sulfasalazine 3-Isomer
  • 2-Hydroxy-3-[2-[4-[(2-pyridinylamino)sulfonyl]phenyl]diazenyl]benzoic Acid
  • 2-Hydroxy-3-[[4-[(2-pyridinylamino)sulfonyl]phenyl]azo]benzoic Acid
  • 3-[[p-(2-Pyridylsulfamoyl)phenyl]azo]salicylic Acid
  • Sulfasalazine Impurity F
  • 66364-71-4
  • 2-HYDROXY-3-[2-[4-(PYRIDINE-2-YLSULPHAMOYL)PHENYL]DIAZENYL]BENZOIC ACID
  • 657BS640RM
  • 2-Hydroxy-3-(2-(4-(pyridin-2-ylsulfamoyl)phenyl)diazenyl)benzoic acid
  • Benzoic acid, 2-hydroxy-3-[[4-[(2-pyridinylamino)sulfonyl]phenyl]azo]-
  • Benzoic acid, 2-hydroxy-3-(2-(4-((2-pyridinylamino)sulfonyl)phenyl)diazenyl)-

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