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Home/Compounds/API/N-methylephedrin
C11H17NO
179.26 g/mol
APIWarning

Methylephedrine

CAS552-79-4EC209-022-7
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material

Methylephedrine is an alkylbenzene compound recognized as an active pharmaceutical ingredient. It has a structure that includes an aromatic ring, an alcohol group, and an amine group.

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:CN Precursor Chemicals Cat.1US DEA List I Chemicals

CAS 552-79-4

Related Compounds

ReferenceSame Category

Salsalate

CAS552-94-3

pharmaceutical raw material

ReferenceSame Category

Dexamethasone sodium phosphate

CAS55203-24-2

pharmaceutical raw material

ReferenceSame Category

Erythromycin cyclocarbonate

CAS55224-05-0

pharmaceutical raw material

ReferenceSame Category

Rolapitant

CAS552292-08-7

pharmaceutical raw material

Referencestereoisomer of

(+)-N-methylpseudoephedrine

CAS51018-28-1

research compound

Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Regulatory Compliance2
  • CN Precursor Chemicals Cat.1CNRegulation
    ListedSource
  • US DEA List I ChemicalsUSRegulation
    Listed· listed since 1991-02-27Source

Customs Tariff Classification

The international HS code for Methylephedrine (CAS 552-79-4) 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

(1R,2S)-2-(dimethylamino)-1-phenylpropan-1-ol

InChIKey

FMCGSUUBYTWNDP-ONGXEEELSA-N

SMILES

C[C@@H]([C@@H](C1=CC=CC=C1)O)N(C)C

Synonyms (23)
  • (-)-N-Methylephedrine
  • (1r,2s)-n-methylephedrine
  • L-Methylephedrine
  • Methylephedrine
  • Methylephedrine (BAN)
  • Methylephedrine, DL-
  • N-methyl-(-)ephedrine-[1R,2S]
  • N-methylephedrine DL-form
  • Tybraine
  • dl-methylephedrine