Chemical identity

Cefazolin EP Impurity E

CAS 29490-19-5 · C3H4N2S2

01Identity

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

Lazychem IDLC-09758
PubChem CID1810203
NameCefazolin EP Impurity E
CAS RN29490-19-5
Molecular formulaC3H4N2S2
Molecular weight132.21 g/mol
IUPAC name5-Methyl-1,3,4-thiadiazol-2-thiol
InChIKeyFPVUWZFFEGYCGB-UHFFFAOYSA-N

02Structure identifiers

Two-dimensional chemical structure of Cefazolin EP Impurity E, CAS 29490-19-5
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
SMILESCC1=NNC(=S)S1
InChINot listed
Formula from structureC3H4N2S2
Molecular weight from structure132.21 g/mol

03India 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 29490-19-5 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 29490-19-5 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.

04Names and relationships

Associated parent compound

Cefazolin

View API and impurity family

Other names

  • 5- Methyl-1, 3, 4-thiol
  • 2-Mercapto-5-methyl-1,3,4-thiadiazole
  • 2-Methyl-1,3,4-thiadiazol-5-thiol
  • 5-Methyl-2-sulfanyl-1,3,4-thiadiazole
  • 5-Methyl-3H-1,3,4-thiadiazole-2-thione
  • 5-Methyl-2-mercapto-1,3,4-thiadiazole
  • Methylthiadiazole thiol
  • 5-Methyl-1,3,4-thiadiazole-2-thiol (USP)
  • 29490-19-5
  • 5-Methyl-1,3,4-thiadiazole-2-thiol
  • 5-Methyl-1,3,4-thiadiazole-2(3H)-thione
  • 9JY8UF0TSS

05Documented 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.

06Sources