CAS 21691-49-6

Methyl L-methioninate

Codes: Ethambutol Hydrochloride-001

Application context (from source-drug indications)

Mycobacterium tuberculosis infectionEthambutol Hydrochloride/Rifampicin/IsoniazidPulmonary tuberculosisEthambutol Hydrochloride

Source drugs (routes using this intermediate)

Drug	Tier	Expiry
Ethambutol Hydrochloride/Rifampicin/Isoniazid	Tier C — Watch / trade	-
Ethambutol Hydrochloride	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.

Ethambutol Hydrochloride/Rifampicin/IsoniazidOptimised routesteps: 2total yield: 27g(Ethambutol dihydrochloride (API))

Methyl L-methioninate→(2S)-2-Aminobutan-1-ol→Glycol dichloride→(2S,2'S)-2,2'-(Ethane-1,2-diyldiimino)dibutan-1-ol dihydrochloride

Ethambutol HydrochlorideOptimised routesteps: 2total yield: 27g(Ethambutol dihydrochloride (API))

Methyl L-methioninate→(2S)-2-Aminobutan-1-ol→Glycol dichloride→(2S,2'S)-2,2'-(Ethane-1,2-diyldiimino)dibutan-1-ol dihydrochloride

Intermediates available on this site

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