Chemical identity

Allopurinol EP Impurity E / Allopurinol Related Compound E

CAS 31055-19-3 · C7H9N3O3

01Identity

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

Lazychem IDLC-05461
PubChem CID13926581
NameAllopurinol EP Impurity E / Allopurinol Related Compound E
CAS RN31055-19-3
Molecular formulaC7H9N3O3
Molecular weight183.16 g/mol
IUPAC nameEthyl 5-(formylamino)-1H-pyrazole-4-carboxylate
InChIKeyVAEIHNPPOAVFAR-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 13926581
Two-dimensional chemical structure of Allopurinol EP Impurity E / Allopurinol Related Compound E, CAS 31055-19-3
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
SMILESCCOC(=O)C1=C(NN=C1)NC=O
InChINot listed
Formula from structureC7H9N3O3
Molecular weight from structure183.16 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 31055-19-3 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 31055-19-3 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

Allopurinol

View API and impurity family

Other names

  • Allopurinol EP Impurity E
  • Allopurinol Related Compound E
  • 3-Formamidopyrazole-4-carboxylic Acid Ethyl Ester
  • Ethyl 3-(Formylamino)-1H-pyrazole-4-carboxylate
  • Allopurinol Impurity E
  • Ethyl 5-(formylamino)-1H-pyrazole-4-carboxylate
  • 31055-19-3
  • Allopurinol impurity E [EP]
  • UNII-S14QI5149O
  • S14QI5149O
  • Pyrazole-4-carboxylic acid, 3-formamido-, ethyl ester
  • 1H-Pyrazole-4-carboxylic acid, 3-(formylamino)-, ethyl ester

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