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Home/Compounds/API/(±)-hyoscyamine
C17H23NO3
289.4 g/mol
API

Dl-Hyoscyamine

CAS51-55-8EC200-104-8
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material

dl-Hyoscyamine is the racemic mixture of (S)- and (R)-atropine, a naturally occurring alkaloid derived from plants of the Solanaceae family such as deadly nightshade. It is an active pharmaceutical ingredient used in pharmaceutical manufacturing.

muscarinic antagonistantidote to sarin poisoningbronchodilator agent

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

Atropine sulfate

CAS55-48-1

pharmaceutical raw material

StrongSame Parent

Atropine sulfate hydrate

CAS5908-99-6

pharmaceutical raw material

ReferenceSame Category

Neostigmine methylsulfate

CAS51-60-5

pharmaceutical raw material

ReferenceSame Category

Dopamine

CAS51-61-6

pharmaceutical raw material

ReferenceSame Category

(S)-amphetamine sulfate

CAS51-63-8

pharmaceutical raw material

ReferenceSame Category

Dextroamphetamine

CAS51-64-9

pharmaceutical raw material

Referencestereoisomer of

(−)-hyoscyamine sulfate dihydrate

CAS6835-16-1

pharmaceutical raw material

Referencestereoisomer of

Hyoscyamine

CAS101-31-5

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Dl-Hyoscyamine (CAS 51-55-8) is 2939.79.

HS code (international, 6-digit)

2939.79

EU CN code (8-digit)

2939 79 90

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,5R)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl] 3-hydroxy-2-phenylpropanoate

InChIKey

RKUNBYITZUJHSG-PJPHBNEVSA-N

SMILES

CN1[C@@H]2CC[C@H]1CC(C2)OC(=O)C(CO)C3=CC=CC=C3

Synonyms (69)
  • Atropine (USP)
  • Atropine for peak identification, European Pharmacopoeia (EP)
  • Atropine, European Pharmacopoeia (EP)
  • Atropine, meets USP testing specifications
  • Atropine; Homatropine Hydrobromide EP Impurity D
  • (+,-)-Tropyl tropate
  • (+/-)-Atropine
  • (+/-)-Tropoyltropan-3beta-ol
  • (-)-Hycosamine
  • 3-tropoyloxytropane
  • ATNAA COMPONENT ATROPINE
  • ATROPINE [MART.]
  • Atropen
  • Atropen (TN)
  • Atropin
  • Atropin [German]
  • Atropin-flexiolen
  • Atropina
  • Atropina [Italian]
  • Atropine ((+/-)-Hyoscyamin)
  • Atropine (Standard)
  • Atropine sulfate
  • Atropine, >=95.0% (NT)
  • Atropine, >=99% (TLC), powder
  • Atropinol
  • Atropinum
  • DUODOTE COMPONENT ATROPINE
  • Eyesules
  • Isopto-atropine
  • L-Hyoscyamine
  • Protamine & Atropine
  • Pseudoatropine
  • Tropine tropate
  • Tropine, tropate (ester)
  • Troyl tropate
  • dl-Hyoscyamine
  • dl-Tropyltropate
  • hyoscyamine
  • ropine tropate

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