C9H5Cl2N
198.05 g/mol
Pharmaceutical IntermediateWarning
4,7-Dichloroquinoline
CAS86-98-6EC201-714-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
4,7-Dichloroquinoline is a two-ring heterocyclic compound used as a chemical intermediate in the manufacture of aminoquinoline antimalarial drugs such as amodiaquine, chloroquine, and hydroxychloroquine.
chemical intermediate for amodiaquinechemical intermediate for chloroquinechemical intermediate for hydroxychloroquine
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
StrongSame Parent
4,7-Dichloroquinoline
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ReferenceSame Category
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ReferenceSame Category
4-CHLORO-5-FLUOROPYRIDINE-3-CARBOXYLIC ACID
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pharmaceutical intermediate
ReferenceSame Category
Fmoc-S-acetamidomethyl-L-cysteine
CAS86060-81-3
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ReferenceSame Category
N'-Fmoc-N-Cbz-L-Lysine
CAS86060-82-4
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Referencestereoisomer of
4,7-Dichloroquinoline-15N
CAS366495-92-3
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4,7-Dichloroquinoline (CAS 86-98-6) is 2933.49.
HS code (international, 6-digit)
2933.49
EU CN code (8-digit)
2933 49 10
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
4,7-dichloroquinoline
InChIKey
HXEWMTXDBOQQKO-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=CN=C2C=C1Cl)Cl
Synonyms (11)
- Hydroxychloroquine EP Impurity G
- Hydroxychloroquine Sulfate EP Impurity G
- 4,7-Dichloroquinoline
- 4,7-dichloroquinolinium
- 4,7-dichloroquinolne
- DICHLOROQUINOLINE, 4,7-
- QUINOLINE, 4,7-DICHLORO-
- Quinoline,7-dichloro-
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