Chemical identity

Tizanidine EP Impurity C/ Tizanidine Dimer Impurity

CAS 1147548-83-1 · C16H14Cl2N10S2

01Identity

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

Lazychem IDLC-29766
PubChem CID165343359
NameTizanidine EP Impurity C/ Tizanidine Dimer Impurity
CAS RN1147548-83-1
Molecular formulaC16H14Cl2N10S2
Molecular weight481.38 g/mol
IUPAC name1,1′-Ethane-1,2-diylbis[3-(5-chloro-2,1,3-benzothiadiazol-4- yl)guanidine]
InChIKeyQIINEHUBJQVURQ-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 165343359
Two-dimensional chemical structure of Tizanidine EP Impurity C/ Tizanidine Dimer Impurity, CAS 1147548-83-1
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 4 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 count4
Secondary amines2
Tertiary amines0
N-methyl amine sites0
SMILESC1=CC2=NSN=C2C(=C1Cl)NC(=NCCN=C(N)NC3=C(C=CC4=NSN=C43)Cl)N
InChINot listed
Formula from structureC16H14Cl2N10S2
Molecular weight from structure481.38 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 Tizanidine EP Impurity C/ Tizanidine Dimer 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 Tizanidine EP Impurity C/ Tizanidine Dimer 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
C16H13Cl2N11OS2
Candidate SMILES
NC(=NCCN=C(N)N(N=O)c1c(Cl)ccc2nsnc12)Nc1c(Cl)ccc2nsnc12

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 1147548-83-1 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 1147548-83-1 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

Tizanidine

View API and impurity family

Other names

  • Tizanidine EP Impurity C
  • 1147548-83-1
  • N,N'''-1,2-Ethanediylbis[N'-(5-chloro-2,1,3-benzothiadiazol-4-yl)guanidine]
  • 1,1'-(Ethane-1,2-diyl)bis(3-(5-chlorobenzo[c][1,2,5]thiadiazol-4-yl)guanidine)
  • DTXSID401142891
  • N,N'-Ethane-1,2-diylbis[N'-(5-chloro-2,1,3-benzothiadiazol-4-yl)guanidine]
  • N,Na(2)a(2)a(2)-1,2-Ethanediylbis[Na(2)-(5-chloro-2,1,3-benzothiadiazol-4-yl)guanidine]
  • Guanidine, N,N'''-1,2-ethanediylbis[N'-(5-chloro-2,1,3-benzothiadiazol-4-yl)-
  • 1,1'-Ethane-1,2-diylbis[3-(5-chloro-2,1,3-benzothiadiazol-4-yl)guanidine]
  • Tizanidine dimer

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