Date published: 2026-4-5

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L-Hyoscyamine (CAS 101-31-5)

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Alternate Names:
Daturine; (−)-Hyoscyamine
Application:
L-Hyoscyamine is a non-selective, competitive antagonist of the muscarinic acetylcholine receptors
CAS Number:
101-31-5
Purity:
≥98%
Molecular Weight:
289.38
Molecular Formula:
C17H23NO3
Supplemental Information:
This is as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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L-Hyoscyamine is a non-selective, competitive antagonist of the muscarinic acetylcholine receptor, specifically M1, M2, M3, M4, and M5.L-Hyoscyamine, a tropane alkaloid sourced from Solanaceae family plants like henbane, nightshade, and jimsonweed, stands as a natural compound. Explorations into its impact on the central nervous system, gastrointestinal tract, and cardiovascular system have been pursued. The application of L-Hyoscyamine spans in vivo and in vitro studies. Conversely, in vitro analyses occur within controlled laboratory environments, employing cells or tissues.


L-Hyoscyamine (CAS 101-31-5) References

  1. Determination of L-hyoscyamine in atropine and D-hyoscyamine in L-hyoscyamine by chiral capillary electrophoresis as an alternative to polarimetry.  |  Heine, S., et al. 2003. Electrophoresis. 24: 2687-92. PMID: 12900883
  2. Atropine as an antisialogogue, compared with l-hyoscyamine (bellafoline), scopolamine butylbromide (buscopan) and oxyphenonium (antrenyl).  |  DIAMANT, H. and FEINMESSER, M. 1959. Br J Anaesth. 31: 205-9. PMID: 13662482
  3. Anticholinergic activity of 107 medications commonly used by older adults.  |  Chew, ML., et al. 2008. J Am Geriatr Soc. 56: 1333-41. PMID: 18510583
  4. Natural compounds endowed with cholinergic or anticholinergic activity. Enhancement of acetylcholine release by a quaternary derivative of L-hyoscyamine.  |  Souccar, C., et al. 2010. J Mol Neurosci. 40: 138-42. PMID: 19688610
  5. Densitometric TLC analysis for the control of tropane and steroidal alkaloids in Lycium barbarum.  |  Kokotkiewicz, A., et al. 2017. Food Chem. 221: 535-540. PMID: 27979237
  6. A method using L-hyoscyamine for the study of muscarinic acetylcholine receptor binding in vivo.  |  Palmér, L., et al. 1987. Pharmacol Toxicol. 60: 54-7. PMID: 3562391
  7. Purification and characterization of hyoscyamine 6 beta-hydroxylase from root cultures of Hyoscyamus niger L. Hydroxylase and epoxidase activities in the enzyme preparation.  |  Hashimoto, T. and Yamada, Y. 1987. Eur J Biochem. 164: 277-85. PMID: 3569262
  8. A validated liquid chromatography-tandem mass spectrometry method for the determination of l-hyoscyamine in human plasma: Application in a clinical study.  |  Duan, Y., et al. 2022. Biomed Chromatogr. 36: e5485. PMID: 35996811
  9. MIL-53(Fe)-derived ant nest structured porous carbon nanospheres CuFeS2 /C for the determination of atropine enantiomeric impurity L-hyoscyamine.  |  Zhu, J. and Li, K. 2022. Chirality. 34: 1526-1537. PMID: 36190759
  10. Mastocytosis treated with l-hyoscyamine (Egazil).  |  Berg, B., et al. 1968. Acta Med Scand. 184: 383-7. PMID: 5732552
  11. Radioimmunoassay for atropine and l-hyoscyamine.  |  Virtanen, R., et al. 1980. Acta Pharmacol Toxicol (Copenh). 47: 208-12. PMID: 7446137
  12. Prejunctional effect of quaternary derivatives of l-hyoscyamine at the rat neuromuscular junction. A structure-activity relationship study.  |  Souccar, C., et al. 1994. Gen Pharmacol. 25: 1397-404. PMID: 7896051
  13. Development and validation of an LC/MS/MS method for the determination of L-hyoscyamine in human plasma.  |  Xu, A., et al. 1995. J Pharm Biomed Anal. 14: 33-42. PMID: 8833964

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

L-Hyoscyamine, 1 g

sc-295290
1 g
$222.00

L-Hyoscyamine, 5 g

sc-295290A
5 g
$408.00