C3H4N2S2
132.21 g/mol
OtherWarning
5-Methyl-1,3,4-thiadiazole-2-thiol
CAS29490-19-5EC249-667-1
Category
Other
Compound Class
n.a
Primary Use
research reagent
5-Methyl-1,3,4-thiadiazole-2-thiol is an aromatic heterocyclic compound containing a thiadiazole ring with a thiol group. It is a research reagent and building block used in chemical synthesis and pharmaceutical manufacturing.
research reagentchemical intermediatepharmaceutical intermediate
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Referencesame scaffold
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Referencesame scaffold
2-Acetamido-5-mercapto-1,3,4-thiadiazole-d3
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Referencesame scaffold
5-amino-1,3,4-thiadiazole-2-thiol
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Methyl-1,3,4-thiadiazole-2-thiol (CAS 29490-19-5) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-methyl-3H-1,3,4-thiadiazole-2-thione
InChIKey
FPVUWZFFEGYCGB-UHFFFAOYSA-N
SMILES
CC1=NNC(=S)S1
Synonyms (27)
- CEFAZOLIN SODIUM IMPURITY E (EP IMPURITY)
- Cefazolin EP Impurity E
- Cefazolin EP Impurity E(Cefazolin USP RC E)
- Cefazolin Sodium Imp. E (EP); Cefazolin Imp. E (EP); 5-Methyl-1,3,4-thiadiazol-2-thiol; MMTD; Cefazolin Sodium Impurity E; Cefazolin Impurity E
- CEFAZOLIN SODIUM IMPURITY E
- Cefazolin Impurity E
- METHYLTHIADIAZOLE THIOL
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