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CAS 455-14-1

4-(trifluoromethyl)aniline

Codes: LEFU-002

Application context (from source-drug indications)

Rheumatoid arthritisLeflunomide狼疮肾炎LeflunomidePsoriatic arthritisLeflunomideMyelodysplastic syndromeLeflunomideLymphomaLeflunomideSolid tumourLeflunomide

Source drugs (routes using this intermediate)

DrugTierExpiry
LeflunomideTier 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.

LeflunomideOriginator routesteps: 1total yield: 12.8 g
5-methylisoxazole-4-carbonyl chloride→4-(trifluoromethyl)aniline
LeflunomideOptimised routesteps: 1total yield: 24.4 g
5-methylisoxazole-4-carbonyl chloride→4-(trifluoromethyl)aniline
LeflunomideOptimised routesteps: 1total yield: /
4-(trifluoromethyl)aniline→(ethyl carbonic) 5-methylisoxazole-4-carboxylic anhydride
LeflunomideOptimised routesteps: 1total yield: /
LeflunomideOptimised routesteps: 1total yield: /

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.