Chemical identity

Propiverine Hydroxy Impurity / O-Despropyl propiverine / Enpiperate

CAS 3608-67-1 · C20H23NO3

01Identity

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

Lazychem IDLC-26161
PubChem CID77157
NamePropiverine Hydroxy Impurity / O-Despropyl propiverine / Enpiperate
CAS RN3608-67-1
Molecular formulaC20H23NO3
Molecular weight325.41 g/mol
IUPAC name1-Methyl-4-piperidyl diphenyl hydroxyacetate
InChIKeyUGYPGJCVNPPUPE-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 77157
Two-dimensional chemical structure of Propiverine Hydroxy Impurity / O-Despropyl propiverine / Enpiperate, CAS 3608-67-1
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 amines1
N-methyl amine sites1
SMILESCN1CCC(CC1)OC(=O)C(C2=CC=CC=C2)(C3=CC=CC=C3)O
InChINot listed
Formula from structureC20H23NO3
Molecular weight from structure325.41 g/mol

03Possible N-nitroso structures

Shown for structural screening only. These candidates are not confirmed impurities, formation predictions or analytical findings.

Matched amine site1 candidate
Chemical structure of Propiverine Hydroxy Impurity / O-Despropyl propiverine / Enpiperate with the matched amine site highlighted in amber
Amber identifies the screened atom and adjacent bonds.
Possible structure candidateUnverified identity
First calculated possible N-nitroso structure derived from Propiverine Hydroxy Impurity / O-Despropyl propiverine / Enpiperate, with the new N-nitroso group highlighted in amber
The new N-N=O atoms and bonds are highlighted. No CAS number or compound name is assigned by this calculation.
Candidate 1Possible N-nitroso structural candidate
Calculated formula
C19H20N2O4
Candidate SMILES
O=NN1CCC(OC(=O)C(O)(c2ccccc2)c2ccccc2)CC1

Interpretation: A structural alert alone does not establish that a nitrosamine forms. Evaluate nitrite sources, amine reagents, pH, temperature, process sequence, purge and analytical evidence.

04India 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 3608-67-1 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 3608-67-1 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.

05Names and relationships

Associated parent compound

Propiverine

View API and impurity family

Other names

  • Propiverine Hydroxy Impurity
  • O-Despropyl propiverine
  • Enpiperate
  • N-Methyl-4-piperidyl benzilate
  • N-Methyl-4-piperidinyl benzilate
  • Hydroxydiphenylacetic acid 1-methylpiperidin-4-yl ester
  • 1-Methylpiperidin-4-yl 2-hydroxy-2,2-diphenylacetate
  • 1-Methyl-4-piperidyl benzilate
  • Benzilic acid, 1-methyl-4-piperidyl ester
  • 4-Piperidinol, 1-methyl-, benzilate (ester)
  • Benzeneacetic acid, α-hydroxy-α-phenyl-, 1-methyl-4-piperidinyl ester `
  • 3608-67-1

Related records from the same parent family

06Documented 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.

07Sources