Chemical identity

Sulfamethoxazole EP Impurity C / Sulfamethoxazole Related Compund C

CAS 1072-67-9 · C4H6N2O

01Identity

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

Lazychem IDLC-28572
PubChem CID66172
NameSulfamethoxazole EP Impurity C / Sulfamethoxazole Related Compund C
CAS RN1072-67-9
Molecular formulaC4H6N2O
Molecular weight98.1 g/mol
IUPAC name5-Methylisoxazol-3-amine
InChIKeyFKPXGNGUVSHWQQ-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 66172
Two-dimensional chemical structure of Sulfamethoxazole EP Impurity C / Sulfamethoxazole Related Compund C, CAS 1072-67-9
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, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count1
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCC1=CC(=NO1)N
InChINot listed
Formula from structureC4H6N2O
Molecular weight from structure98.1 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 1072-67-9 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 1072-67-9 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

View API and impurity family

Other names

  • Sulfamethoxazole EP Impurity C
  • 5-Methyl-3-isoxazolamine
  • 5-Methyl-1, 2-oxazol-3-amine
  • 5-Methyl-3-aminoisoxazole
  • 5-Methyl-3-isoxazolylamine
  • NSC 159134
  • 3-Amino-5-methylisoxazole
  • 1072-67-9
  • 3-Isoxazolamine, 5-methyl-
  • Isoxazole, 3-amino-5-methyl-
  • DTXSID9021631
  • G54MJS11L9

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