Chemical identity

Sulfamethoxazole EP Impurity E

CAS 63-74-1 · C6H8N2O2S

01Identity

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

Lazychem IDLC-28574
PubChem CID5333
NameSulfamethoxazole EP Impurity E
CAS RN63-74-1
Molecular formulaC6H8N2O2S
Molecular weight172.2 g/mol
IUPAC name4-Aminobenzenesulfonamide
InChIKeyFDDDEECHVMSUSB-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 5333
Two-dimensional chemical structure of Sulfamethoxazole EP Impurity E, CAS 63-74-1
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 1 ring, includes aromatic atoms. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count1
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESO=S(C1=CC=C(N)C=C1)(N)=O
InChINot listed
Formula from structureC6H8N2O2S
Molecular weight from structure172.2 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 63-74-1 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 63-74-1 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

Sulfamethoxazole; Sulfadiazine; Sulfadimidine; Sulfadimethoxine; Perindopril; Sulfanilamide

View API and impurity family

Other names

  • Sulfanilamide
  • p-Aminobenzenesulfonamide
  • p-Aminobenzenesulfamide
  • 4-Aminobenzene-1-Sulfonamide
  • p-Anilinesulfonamide
  • Sulfadiazine EP Impurity D
  • Sulfadiazine BP Impurity D
  • Sulfadimidine EP Impurity D
  • Sulfamethoxazole EP Impurity E ( do not use )
  • Perindopril Erbumine Impurity C - L320159

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