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Home/Compounds/API/(−)-ephedrine hemihydrate
C20H32N2O3
348.5 g/mol
API

Ephedrine hemihydrate

CAS50906-05-3
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material

Ephedrine hemihydrate is a crystalline form of ephedrine, an active pharmaceutical ingredient used in pharmaceutical manufacturing. Its crystal structure has been characterized in structural studies of ephedrine salts.

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.

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Related Compounds

StrongSame Parent

(−)-ephedrine sulfate

CAS134-72-5

pharmaceutical raw material

StrongSame Parent

(−)-ephedrine

CAS299-42-3

pharmaceutical raw material

ReferenceSame Category

Mizoribine

CAS50924-49-7

pharmaceutical raw material

ReferenceSame Category

Diatrizoic acid dihydrate

CAS50978-11-5

pharmaceutical raw material

ReferenceSame Category

Procaine hydrochloride

CAS51-05-8

pharmaceutical raw material

ReferenceSame Category

Trans pralidoxime chloride

CAS51-15-0

pharmaceutical raw material

Referencestereoisomer of

(+)-pseudoephedrine sulfate

CAS7460-12-0

pharmaceutical raw material

Referencestereoisomer of

(+)-pseudoephedrine

CAS90-82-4

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Ephedrine hemihydrate (CAS 50906-05-3) is 2939.41.

HS code (international, 6-digit)

2939.41

EU CN code (8-digit)

2939 41 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

bis((1R,2S)-2-(methylamino)-1-phenylpropan-1-ol);hydrate

InChIKey

ZNGSVRYVWHOWLX-KHFUBBAMSA-N

SMILES

C[C@@H]([C@@H](C1=CC=CC=C1)O)NC.C[C@@H]([C@@H](C1=CC=CC=C1)O)NC.O

Synonyms (6)
  • EPHEDRINUM HEMIHYDRATE
  • Ephedrine hemihydrate
  • ephedrine hydrate

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