Chemical identity

Selexipag Pyrazinone Impurity / Selexipag Hydroxy Impurity

CAS 18591-57-6 · C16H12N2O

01Identity

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

Lazychem IDLC-27878
PubChem CID619180
NameSelexipag Pyrazinone Impurity / Selexipag Hydroxy Impurity
CAS RN18591-57-6
Molecular formulaC16H12N2O
Molecular weight248.28 g/mol
IUPAC name5,6-Diphenylpyrazin-2(1H)-one
InChIKeyLTWBZUZTTUVPIM-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 619180
Two-dimensional chemical structure of Selexipag Pyrazinone Impurity / Selexipag Hydroxy Impurity, CAS 18591-57-6
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. 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=C(C=C1)C2=C(N=CC(=O)N2)C3=CC=CC=C3
InChINot listed
Formula from structureC16H12N2O
Molecular weight from structure248.28 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 18591-57-6 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 18591-57-6 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

Selexipag

View API and impurity family

Other names

  • Selexipag Impurity B
  • Selexipag Pyrazinone Impurity
  • Selexipag Hydroxy Impurity
  • 2-Hydroxy-5,6-diphenylpyrazine
  • 5,6-Diphenyl-2-hydroxypyrazine
  • 5,6-Diphenylpyrazinol
  • 5,6-Diphenylpyrazin-2(1H)-one
  • 5,6-Diphenylpyrazin-2-ol
  • 18591-57-6
  • UDF33L2N57
  • DTXSID20347222
  • RefChem:1072220

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