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Home/Compounds/API/Hyoscyamine
C17H23NO3
289.4 g/mol
API

Benzeneacetic acid, .alpha.-(hydroxymethyl)-, (3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester, (.alpha.S)-

CAS101-31-5EC202-933-0
Category
API
Compound Class
Ester
Primary Use
Pharmaceutical Raw Material

This compound is a muscle relaxer used for muscle spasms from musculoskeletal conditions of sudden onset. It is taken by mouth and is not useful in cerebral palsy.

active pharmaceutical ingredientmuscle relaxant for musculoskeletal spasms

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

(−)-hyoscyamine sulfate dihydrate

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pharmaceutical raw material

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ReferenceSame Category

N-Ethyl quetiapine

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Referencestereoisomer of

(Rac)-Atropine-d3

CAS1276197-36-4

research compound

Referencestereoisomer of

(±)-hyoscyamine

CAS51-55-8

pharmaceutical raw material

Referencestereoisomer of

Atropine sulfate

CAS55-48-1

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Benzeneacetic acid, .alpha.-(hydroxymethyl)-, (3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester, (.alpha.S)- (CAS 101-31-5) 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

[(1R,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl] (2S)-3-hydroxy-2-phenylpropanoate

InChIKey

RKUNBYITZUJHSG-VFSICIBPSA-N

SMILES

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

Synonyms (64)
  • A1EBT
  • HYO
  • OIN
  • Hyoscine EP Impurity D; Hyoscyamine; Hyoscine Hydrobromide EP Impurity A
  • Hyoscyamine (USP)
  • (-)-Atropine
  • (-)-Hycosamine
  • (-)-Hyoscyamin
  • (3beta)-Hyoscyamine
  • (S)-(-)-Hyoscyamine
  • (S)-(leo)-hyoscyamine
  • (S)-Atropine
  • (leo)-atropine
  • (leo)-hyoscyamine
  • 2arm
  • Atropine, (s)-
  • Bellafoline
  • Cystospaz
  • Daturin
  • Daturine
  • Duboisine
  • ENDO-ATROPINE
  • HYOSCYAMINE [MART.]
  • Hyocyamine
  • Hyoscyamine (L)
  • Hyoscyaminum
  • Hyospaz
  • Hyosyne
  • L-Hyoscamine
  • L-Hyoscyamine
  • L-Hyoscyamine (Standard)
  • L-Tropine tropate
  • Levbid
  • Levsin
  • Levsin SL
  • Levsinex SR
  • Symax Duotab
  • Symax SL
  • Symax SR
  • Tropine, (-)-tropate
  • Tropine, (-)-tropate (ester)
  • Tropine-L-tropate
  • hyoscyamine
  • l-Atropine
  • l-Hyopscyamine

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