Chemical identity

Risperidone Hydroxyethyl Impurity

CAS 66698-27-9 · C11H16N2O2

01Identity

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

Lazychem IDLC-27103
PubChem CID11413127
NameRisperidone Hydroxyethyl Impurity
CAS RN66698-27-9
Molecular formulaC11H16N2O2
Molecular weight208.26 g/mol
IUPAC name6,7,8,9-Tetrahydro-3-(2-hydroxyethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
InChIKeyICDWUCZPFCGGIP-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 11413127
Two-dimensional chemical structure of Risperidone Hydroxyethyl Impurity, CAS 66698-27-9
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count2
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCC1=C(C(=O)N2CCCCC2=N1)CCO
InChINot listed
Formula from structureC11H16N2O2
Molecular weight from structure208.26 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 66698-27-9 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 66698-27-9 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

Risperidone

View API and impurity family

Other names

  • Risperidone Impurity 1
  • 3-(2-hydroxyethyl)-2-methyl-4H,6H,7H,8H,9H-pyrido(1,2-a)pyrimidin-4-one
  • 66698-27-9
  • RefChem:491083
  • 978-501-7
  • 3-(2-hydroxyethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
  • 3-(2-Hydroxy-ethyl)-2-methyl-6,7,8,9-tetrahydro-pyrido[1,2-a]pyrimidin-4-one
  • Risperidone Hydroxyethyl Impurity
  • SCHEMBL5623016
  • ICDWUCZPFCGGIP-UHFFFAOYSA-N
  • RCA69827
  • EN300-6498228

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