← Back to patent-cliff list
CAS 50-98-6
(-)-2(S)-(Methylamino)-1(R)-phenylpropan-1-ol hydrochloride
Codes：Ephedrine Sulfate-009
Application context (from source-drug indications)
低血压硫酸麻黄碱
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 硫酸麻黄碱Ephedrine Sulfate | 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.
Benzene→2-Chloropropanoyl chloride→2-Chloro-1-phenylpropan-1-one→alpha-Bromopropiophenone→Methylamine→2-(Methylamino)-1-phenylpropan-1-one→(2R,3R)-2,3-Bis(benzoyloxy)butanedioic acid (2S)-2-(methylamino)-1-phenylpropan-1-one (1/2)→(2R,3R)-2,3-Bis(benzoyloxy)butanedioic acid (1R,2S)-2-(methylamino)-1-phenylpropan-1-ol (1/2)→(-)-2(S)-(Methylamino)-1(R)-phenylpropan-1-ol hydrochloride→(-)-2(S)-(Methylamino)-1(R)-phenylpropan-1-ol
Intermediates available on this site
No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.
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.