Chemical identity

N-(4-((4-Ethoxyphenyl)amino)phenyl)acetamide

CAS 1991204-56-8 · C16H18N2O2

01Identity

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

Lazychem IDLC-04733
PubChem CID112987649
NameN-(4-((4-Ethoxyphenyl)amino)phenyl)acetamide
CAS RN1991204-56-8
Molecular formulaC16H18N2O2
Molecular weight270.33 g/mol
IUPAC nameN-(4-((4-ethoxyphenyl)amino)phenyl)acetamide
InChIKeyJUUWXNQTCPQDJJ-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 112987649
Two-dimensional chemical structure of N-(4-((4-Ethoxyphenyl)amino)phenyl)acetamide, CAS 1991204-56-8
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 amines1
Tertiary amines0
N-methyl amine sites0
SMILESCCOC1=CC=C(C=C1)NC2=CC=C(C=C2)NC(=O)C
InChINot listed
Formula from structureC16H18N2O2
Molecular weight from structure270.33 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 N-(4-((4-Ethoxyphenyl)amino)phenyl)acetamide 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 N-(4-((4-Ethoxyphenyl)amino)phenyl)acetamide, 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
C16H17N3O3
Candidate SMILES
CCOc1ccc(N(N=O)c2ccc(NC(C)=O)cc2)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 1991204-56-8 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 1991204-56-8 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.

05Names and relationships

Associated parent compound

Acetaminophen

View API and impurity family

Other names

  • Acetaminophen Impurity 14
  • N-(4-((4-Ethoxyphenyl)amino)phenyl)acetamide
  • 1991204-56-8
  • Acetaminophen Impurity 24
  • Acetaminophen Impurity 35

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