C4H5N3O2S
159.17 g/mol
Pharmaceutical IntermediateWarning
Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione
CAS58909-39-0EC261-490-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a sulfur-containing heterocyclic compound used as a pharmaceutical intermediate. Its structure features a triazine ring with a thione group and two carbonyl groups, giving it moderate polarity.
pharmaceutical intermediate for organic synthesisresearch compound for heterocyclic chemistry studies
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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Related Compounds
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Safety Reference
Warning
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione (CAS 58909-39-0) is 2933.69.
HS code (international, 6-digit)
2933.69
EU CN code (8-digit)
2933 69 80
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
2-methyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione
InChIKey
UMWWHOXOVPIGFD-UHFFFAOYSA-N
SMILES
CN1C(=S)NC(=O)C(=O)N1
Synonyms (23)
- CEFTRIAXONE SODIUM IMPURITY C (EP IMPURITY)
- Ceftriaxone EP Impurity C
- Ceftriaxone Sodium EP Impurity C
- CEFTRIAXONE SODIUM IMPURITY C
- CEFTRIAXONE SODIUM IMPURITY F
- Ceftriaxone Impurity 42
- Ceftriaxone Impurity C
- Ro 11-8390
- Thiotriazinone
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