C5H2Cl2N4
189 g/mol
Pharmaceutical IntermediateDanger
2,6-Dichloropurine
CAS5451-40-1EC226-681-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2,6-Dichloropurine is a chlorinated purine derivative used as a pharmaceutical intermediate. It is commonly employed in the synthesis of antiviral active pharmaceutical ingredients, including acyclovir.
Pharmaceutical intermediate for antiviral drug synthesisBuilding block in the manufacture of nucleoside analogs
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
ReferenceSame Category
2-Chloroethyl acetoacetate
CAS54527-68-3
pharmaceutical intermediate
ReferenceSame Category
3-Amino-3-azabicyclo[3.3.0]octane
CAS54528-00-6
pharmaceutical intermediate
ReferenceSame Category
5,6-Dihydro-3-(4-morpholinyl)-1-[4-(2-oxo-1-piperidinyl)phenyl]-2(1H)-pyridinone
CAS545445-44-1
pharmaceutical intermediate
ReferenceSame Category
2,2,5,5-Tetramethyltetrahydrofuran-3-one
CAS5455-94-7
pharmaceutical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 2,6-Dichloropurine (CAS 5451-40-1) 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
2,6-dichloro-7H-purine
InChIKey
RMFWVOLULURGJI-UHFFFAOYSA-N
SMILES
C1=NC2=C(N1)C(=NC(=N2)Cl)Cl
Synonyms (15)
- 1H-Purine, 2,6-dichloro-
- 1H-Purine,6-dichloro-
- 2 pound not6-Dichloropurine
- 2,6-Dichioropurine
- 2,6-Dichloro-1H-purine
- 2,6-Dichloropurine
- 2,6-bis(chloranyl)-7H-purine
- 2,6-dichlor-9H-purin
- 2,6-dichloro-7H-purine
- 2,6-dichloro-9H-purine
- 9H-purine, 2,6-dichloro-
- Purine, 2,6-dichloro-
- Purine, 2,6-dichloro- (VAN)
- Purine,6-dichloro-
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