Chemical identity

Thiamazole EP Impuriy C

CAS 14486-52-3 · C5H8N2S

01Identity

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

Lazychem IDLC-29416
PubChem CID581856
NameThiamazole EP Impuriy C
CAS RN14486-52-3
Molecular formulaC5H8N2S
Molecular weight128.2 g/mol
IUPAC name1-Methyl-2-(methylsulfanyl)-1H-imidazole
InChIKeyLKIVEIAXFZBGMO-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 581856
Two-dimensional chemical structure of Thiamazole EP Impuriy C, CAS 14486-52-3
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 1 ring, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count1
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCN1C=CN=C1SC
InChINot listed
Formula from structureC5H8N2S
Molecular weight from structure128.2 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 Thiamazole EP Impuriy 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 Thiamazole EP Impuriy 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
C4H5N3OS
Candidate SMILES
CSc1nccn1N=O

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 14486-52-3 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 14486-52-3 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

Thiamazole; Methimazole

View API and impurity family

Other names

  • Methimazole Related Compound C
  • Methimazole methyl sulfide
  • 1-Methyl-2-(methylthio)imidazole
  • 1-METHYL-2-(METHYLTHIO)-1H-IMIDAZOLE
  • 1-methyl-2-(methylsulfanyl)-1H-imidazole
  • VVW49QGF5P
  • 2-Methylthio-3-methylimidazole
  • Thiamazole impurity C
  • Thiamazole impurity C [EP]
  • Methimazole methyl sulfide [USP]
  • THIAMAZOLE IMPURITY C [EP IMPURITY]
  • METHIMAZOLE METHYL SULFIDE [USP IMPURITY]

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