Chemical identity

Rilpivirine Chloro Impurity

CAS 244768-32-9 · C11H7ClN4

01Identity

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

Lazychem IDLC-27013
PubChem CID11195595
NameRilpivirine Chloro Impurity
CAS RN244768-32-9
Molecular formulaC11H7ClN4
Molecular weight230.65 g/mol
IUPAC name4-(4-Chloropyrimidin-2-ylamino)benzonitrile
InChIKeyQXCHAADSAYQDHL-UHFFFAOYSA-N

02Structure identifiers

Two-dimensional chemical structure of Rilpivirine Chloro Impurity, CAS 244768-32-9
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, 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
SMILESC1=CC(=CC=C1C#N)NC2=NC=CC(=N2)Cl
InChINot listed
Formula from structureC11H7ClN4
Molecular weight from structure230.65 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 Rilpivirine Chloro Impurity 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 Rilpivirine Chloro Impurity, 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
C11H6ClN5O
Candidate SMILES
N#Cc1ccc(N(N=O)c2nccc(Cl)n2)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 244768-32-9 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 244768-32-9 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.

05Names and relationships

Associated parent compound

Rilpivirine

View API and impurity family

Other names

No synonyms are listed.

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