Chemical identity

Amlodipine EP Impurity G / Amlodipine Related Compound C

CAS 43067-01-2 · C17H18ClNO4

01Identity

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

Lazychem IDLC-06050
PubChem CID737062
NameAmlodipine EP Impurity G / Amlodipine Related Compound C
CAS RN43067-01-2
Molecular formulaC17H18ClNO4
Molecular weight335.78 g/mol
IUPAC namedimethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4- dihydropyridine-3,5-dicarboxylate
InChIKeyREIGLQUFMMOAFU-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 737062
Two-dimensional chemical structure of Amlodipine EP Impurity G / Amlodipine Related Compound C, CAS 43067-01-2
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, contains at least one halogen atom. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count2
Secondary amines1
Tertiary amines0
N-methyl amine sites0
SMILESCC1=C(C(C(=C(N1)C)C(=O)OC)C2=CC=CC=C2Cl)C(=O)OC
InChINot listed
Formula from structureC17H18ClNO4
Molecular weight from structure335.78 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 Amlodipine EP Impurity G / Amlodipine Related Compound C 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 Amlodipine EP Impurity G / Amlodipine Related Compound C, 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
C17H17ClN2O5
Candidate SMILES
COC(=O)C1=C(C)N(N=O)C(C)=C(C(=O)OC)C1c1ccccc1Cl

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 43067-01-2 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 43067-01-2 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

Amlodipine

View API and impurity family

Other names

  • Amlodipine EP Impurity G
  • 3,5-dimethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
  • Amlodipine Related Compound C

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