C11H17NO
179.26 g/mol
Research ReagentWarning
Methylpseudoephedrine
CAS51018-28-1EC625-975-5
Category
Research Reagent
Compound Class
Amine
Primary Use
Research Compound
Methylpseudoephedrine is a stimulant compound and a derivative of pseudoephedrine. It is an isomer of N-methylephedrine and occurs naturally in ephedra plants.
Research reagent for stimulant studies
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.
Controlled substances
Substances on this list are tightly controlled under chemical-weapons or precursor regulations. ChemAbout does not facilitate their procurement; this page is a compliance reference only.
Relevant lists:US DEA List I Chemicals
CAS 51018-28-1
Related Compounds
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research compound
ReferenceSame Category
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research compound
ReferenceSame Category
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research compound
ReferenceSame Category
5,5-Dibromobarbituric acid
CAS511-67-1
research compound
Referencestereoisomer of
N-methylephedrin
CAS552-79-4
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Regulatory Compliance1
- US DEA List I ChemicalsUSRegulation
Customs Tariff Classification
The international HS code for Methylpseudoephedrine (CAS 51018-28-1) is 2939.49.
HS code (international, 6-digit)
2939.49
EU CN code (8-digit)
2939 49 00
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
(1S,2S)-2-(dimethylamino)-1-phenylpropan-1-ol
InChIKey
FMCGSUUBYTWNDP-GXSJLCMTSA-N
SMILES
C[C@@H]([C@H](C1=CC=CC=C1)O)N(C)C
Synonyms (13)
- (+)-N-Methyl-psi-ephedrine
- (1S,2S)-N-Methylephedrine
- D-Methylpseudoephedrine
- N-Methylpseudoephedrine
- methylpseudoephedrine