C4H4N2
80.09 g/mol
Industrial ChemicalDanger
1,3-Diazine
CAS289-95-2EC206-026-0
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Chemical intermediate and heterocyclic base
1,3-Diazine, also known as This compound, is one of the three isomeric diazines. It serves as a fundamental heterocyclic building block in organic synthesis.
chemical intermediateheterocyclic base
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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Silane coupling agent
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ReferenceSame Category
S-triazine
CAS290-87-9
chemical intermediate
Safety Reference
Danger
H226Flammable liquid and vapour
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for 1,3-Diazine (CAS 289-95-2) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
2933 59 95
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
pyrimidine
InChIKey
CZPWVGJYEJSRLH-UHFFFAOYSA-N
SMILES
C1=CN=CN=C1
Synonyms (18)
- 1,3-Diazabenzene
- 1,3-Diazin
- 1,3-Diazine
- 2,4-Dideoxyuracil
- Buspirone Impurity 39
- Metadiazine
- Miazine
- Pyrimidine
- Pyrimidine base
- Pyrimidine free base
- Pyrimidine, dimer
- m-Diazine
- pyrimidin
- pyrimidine phase I
- pyrimidine phase II
- pyrimidine phase IV
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