C4H2Cl2N2
148.98 g/mol
Pharmaceutical IntermediateWarning
2,3-Dichloropyrazine
CAS4858-85-9EC225-460-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2,3-Dichloropyrazine is a chemical compound used as a building block in the synthesis of pharmaceuticals. It features a pyrazine ring with two chlorine substituents, making it a versatile intermediate for organic synthesis.
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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ReferenceSame Category
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pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,3-Dichloropyrazine (CAS 4858-85-9) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 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
2,3-dichloropyrazine
InChIKey
MLCNOCRGSBCAGH-UHFFFAOYSA-N
SMILES
C1=CN=C(C(=N1)Cl)Cl
Synonyms (5)
- 2,3-Dichloro-1,4-diazine
- 2,3-Dichloropyrazine
- 5,6-dichloropyrazine
- Pyrazine, 2,3-dichloro-
- dichloropyrazine
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