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CAS 4350-41-8
2-(4-Chlorobenzyl)pyridine
Codes: Chlorphenamine Maleate-023
Application context (from source-drug indications)
Nasal congestionDextromethorphan Hydrobromide/Chlorphenamine Maleate/Ammonium chlorideSneezingDextromethorphan Hydrobromide/Chlorphenamine Maleate/Ammonium chlorideCoughDextromethorphan Hydrobromide/Chlorphenamine Maleate/Ammonium chlorideCommon coldAcetaminophen/Chlorphenamine Maleate/Methylephedrine Hydrochloride/Sulfogaiacol/CaffeineHypersensitivity reactionChlorphenamine MaleateSeasonal allergic rhinitisChlorphenamine MaleateDermatitisChlorphenamine MaleateUrticariaChlorphenamine MaleatePruritusChlorphenamine MaleateDrug eruptionChlorphenamine Maleate
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Dextromethorphan Hydrobromide/Chlorphenamine Maleate/Ammonium chloride | Tier C — Watch / trade | - |
| Acetaminophen/Chlorphenamine Maleate/Methylephedrine Hydrochloride/Sulfogaiacol/Caffeine | Tier C — Watch / trade | - |
| Chlorphenamine Maleate | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
Dextromethorphan Hydrobromide/Chlorphenamine Maleate/Ammonium chlorideOptimised routesteps: 3total yield: 24.1g(Chlorphenamine Maleate (API))
(4-Chlorophenyl)methyl chloride→2-Bromanylpyridine→2-(4-Chlorobenzyl)pyridine→2-(Dimethylamino)ethyl chloride→(2-Bromoethyl) dimethylamine→1-(p-Chlorophenyl)-1-(2-pyridyl)-3-dimethylaminopropane
Acetaminophen/Chlorphenamine Maleate/Methylephedrine Hydrochloride/Sulfogaiacol/CaffeineOptimised routesteps: 3total yield: 24.1g(Chlorphenamine Maleate (API))
(4-Chlorophenyl)methyl chloride→2-Bromanylpyridine→2-(4-Chlorobenzyl)pyridine→2-(Dimethylamino)ethyl chloride→(2-Bromoethyl) dimethylamine→1-(p-Chlorophenyl)-1-(2-pyridyl)-3-dimethylaminopropane
(4-Chlorophenyl)methyl chloride→2-Bromanylpyridine→2-(4-Chlorobenzyl)pyridine→2-(Dimethylamino)ethyl chloride→(2-Bromoethyl) dimethylamine→1-(p-Chlorophenyl)-1-(2-pyridyl)-3-dimethylaminopropane
Intermediates available on this site
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This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.