Chemical identity

Vardenafil EP Impurity B / Vardenafil Acid / Vardenafil Desethylpiperazinyl Sulfonic Acid

CAS 437717-43-6 · C17H20N4O5S

01Identity

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

Lazychem IDLC-30589
PubChem CID135483690
NameVardenafil EP Impurity B / Vardenafil Acid / Vardenafil Desethylpiperazinyl Sulfonic Acid
CAS RN437717-43-6
Molecular formulaC17H20N4O5S
Molecular weight392.43 g/mol
IUPAC name4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydroimidazo[ 5,1-f][1,2,4]triazin-2-yl)benzenesulfonic acid
InChIKeyXTMCEBZOWCIYQF-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 135483690
Two-dimensional chemical structure of Vardenafil EP Impurity B / Vardenafil Acid / Vardenafil Desethylpiperazinyl Sulfonic Acid, CAS 437717-43-6
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, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count3
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCCCC1=NC(=C2N1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)O)OCC)C
InChINot listed
Formula from structureC17H20N4O5S
Molecular weight from structure392.43 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 437717-43-6 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 437717-43-6 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

Vardenafil

View API and impurity family

Other names

  • Vardenafil EP Impurity B
  • Vardenafil Acid / Vardenafil Desethylpiperazinyl Sulfonic Acid
  • 3-(1,4-Dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic acid
  • 437717-43-6
  • VARDENAFIL ACID
  • 2XL0MEO2MW
  • VARDENAFIL ACID [USP IMPURITY]
  • VARDENAFIL HYDROCHLORIDE TRIHYDRATE IMPURITY B [EP IMPURITY]
  • 4-ETHOXY-3-(5-METHYL-4-OXO-7-PROPYL-3,4-DIHYDROIMIDAZO(5,1-F)(1,2,4)TRIAZIN-2-YL)BENZENESULFONIC ACID
  • BENZENESULFONIC ACID, 3-(1,4-DIHYDRO-5-METHYL-4-OXO-7-PROPYLIMIDAZO(5,1-F)(1,2,4)TRIAZIN-2-YL)-4-ETHOXY-
  • RefChem:92044
  • 610-141-5

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