Chemical identity

Bendamustine

CAS 16506-27-7 · C16H21Cl2N3O2

01Identity

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

Lazychem IDLC-07804
PubChem CID65628
NameBendamustine
CAS RN16506-27-7
Molecular formulaC16H21Cl2N3O2
Molecular weight358.26 g/mol
IUPAC name5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic Acid
InChIKeyYTKUWDBFDASYHO-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 65628
Two-dimensional chemical structure of Bendamustine, CAS 16506-27-7
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 amines0
Tertiary amines1
N-methyl amine sites0
SMILESCN1C2=C(C=C(C=C2)N(CCCl)CCCl)N=C1CCCC(=O)O
InChINot listed
Formula from structureC16H21Cl2N3O2
Molecular weight from structure358.26 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 Bendamustine 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 Bendamustine, 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
C15H18Cl2N4O3
Candidate SMILES
O=Nn1c(CCCC(=O)O)nc2cc(N(CCCl)CCCl)ccc21

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 16506-27-7 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 16506-27-7 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

Bendamustine

View API and impurity family

Other names

  • Bendamustine
  • 16506-27-7
  • Bendamustina
  • Bendamustinum
  • 4-[5-[bis(2-chloroethyl)amino]-1-methylbenzimidazol-2-yl]butanoic acid
  • DTXSID2046888
  • 9266D9P3PQ
  • 1H-Benzimidazole-2-butanoic acid, 5-(bis(2-chloroethyl)amino)-1-methyl-
  • DTXCID0026888
  • 5-(Bis(2-chloroethyl)amino)-1-methyl-2-benzimidazolebutyric acid
  • 4-{5-[bis(2-chloroethyl)amino]-1-methyl-1H-1,3-benzodiazol-2-yl}butanoic acid
  • omega-(1-Methyl-5-bis(beta-chloroethyl)aminobenzimidazole-(2)-butyric acid

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