Chemical identity

Omeprazole EP Impurity F / Omeprazole BP Impurity F / Omeprazole Related Compound F

CAS 125656-82-8 · C16H13N3O2S

01Identity

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

Lazychem IDLC-24103
PubChem CID29983078
NameOmeprazole EP Impurity F / Omeprazole BP Impurity F / Omeprazole Related Compound F
CAS RN125656-82-8
Molecular formulaC16H13N3O2S
Molecular weight311.36 g/mol
IUPAC name1,3-Dimethyl-8-methoxy-12-thioxopyrido[1′,2′:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one
InChIKeyZHCRAWLAWCUHBF-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 29983078
Two-dimensional chemical structure of Omeprazole EP Impurity F / Omeprazole BP Impurity F / Omeprazole Related Compound F, CAS 125656-82-8
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 4 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count4
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCC1=CN2C(=C(C1=O)C)C(=S)N3C2=NC4=C3C=CC(=C4)OC
InChINot listed
Formula from structureC16H13N3O2S
Molecular weight from structure311.36 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 125656-82-8 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 125656-82-8 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

Omeprazole

View API and impurity family

Other names

  • Omeprazole EP Impurity F
  • Omeprazole BP Impurity F
  • Omeprazole Related Compound F
  • Isomer of Omeprazole EP Impurity G
  • 8-Methoxy-1,3-dimethyl-12-thioxopyrido[1',2':3,4]imidazo[1,2-a]benzimidazol-2(12H)-one
  • 125656-82-8
  • Omeprazole specified impurity F [EP]
  • UNII-63EB83V34B
  • 63EB83V34B
  • Pyrido(1',2':3,4)imidazo(1,2-a)benzimidazol-2(12H)-one, 8-methoxy-1,3-dimethyl-12-thioxo-
  • DTXSID20154837
  • OMEPRAZOLE IMPURITY F [EP IMPURITY]

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