Methscopolamine

For research use only. Not for therapeutic Use.

  • CAT Number: A000818
  • CAS Number: 155-41-9
  • Molecular Formula: C18H24BrNO4
  • Molecular Weight: 398.29
  • Purity: ≥95%
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Methylscopolamine is an oral medication used along with other medications to treat peptic ulcers by reducing stomach acid secretion. Proton pump inhibitors and antihistamine medications have made this use obsolete. It can also be used for stomach or intestinal spasms, to reduce salivation, and to treat motion sickness. Methscopolamine is also commonly used as a drying agent, to dry up post-nasal drip, in cold, irritable bowel syndrome and allergy medications.


Catalog Number A000818
CAS Number 155-41-9
Synonyms

Scopolamine methyl bromide; METHSCOPOLAMINE BROMIDE; (-)-Scopolamine methyl bromide; Hyoscine methyl bromide; Methscopolamine (bromide); UNII-RTN51LK7WL

Molecular Formula C18H24BrNO4
Purity ≥95%
Target AChR
Solubility Soluble in DMSO > 10 mM
Storage -20°C
InChI 1S/C18H24NO4.BrH/c1-19(2)14-8-12(9-15(19)17-16(14)23-17)22-18(21)13(10-20)11-6-4-3-5-7-11;/h3-7,12-17,20H,8-10H2,1-2H3;1H/q+1;/p-1/t12?,13-,14-,15+,16-,17+;/m1./s1
InChIKey CXYRUNPLKGGUJF-OZVSTBQFSA-M
SMILES C[N+]1(C2CC(CC1C3C2O3)OC(=O)C(CO)C4=CC=CC=C4)C.[Br-]
Reference

1: Cieri UR. Determination of phenylephrine hydrochloride, chlorpheniramine
maleate, and methscopolamine nitrate in tablets or capsules by liquid
chromatography with two UV absorbance detectors in series. J AOAC Int. 2006
Jan-Feb;89(1):53-7. PubMed PMID: 16512228.
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2: Aaron DK, Ely DG, Deweese WP, Fink E, Gatke CR. Reducing milk production in
ewes at weaning using restricted feeding and methscopolamine bromide. J Anim Sci.
1997 Jun;75(6):1434-42. PubMed PMID: 9250502.
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3: Daniel JA, Thomas MG, Powell MR, Keisler DH. Methscopolamine bromide blocks
hypothalamic-stimulated release of growth hormone in ewes. J Anim Sci. 1997
May;75(5):1359-62. PubMed PMID: 9159285.
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4: Svensson A, Carlsson ML. The muscarine antagonist methscopolamine and the NMDA
antagonist AP-5 injected unilaterally into the nucleus accumbens cause mice to
rotate in opposite directions. J Neural Transm Gen Sect. 1995;101(1-3):149-57.
PubMed PMID: 8695045.
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5: Kumar G, Huang MJ, Hammer R, Bodor N. Soft drugs. 17: Quantitative
structure-activity relationships of soft anticholinergics based on methatropine
and methscopolamine. J Pharm Sci. 1994 Jan;83(1):117-8. PubMed PMID: 8138901.
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6: Kumar GN, Hammer RH, Wu WM, Bodor NS. Soft drugs 15: mydriatic activity and
transcorneal penetration of phenylsuccinic soft analogs of methscopolamine as
short acting mydriatics. Curr Eye Res. 1993 Jun;12(6):501-6. PubMed PMID:
8359027.

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7: Aiumlamai S, Kindahl H. The role of endotoxins in methscopolamine induced
ruminal stasis in calves. Acta Vet Scand. 1992;33(2):129-38. PubMed PMID:
1502996.
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8: Smith RJ, Parker LA. Chin rub CRs are elicited by flavors associated with
apomorphine, scopolamine, methscopolamine, physostigmine and neostigmine.
Pharmacol Biochem Behav. 1985 Oct;23(4):583-9. PubMed PMID: 4070336.

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9: Janowsky DS, Berkowitz A, Turken A, Risch SC. Antagonism of physostigmine
induced lethality by a combination of scopolamine and methscopolamine. Acta
Pharmacol Toxicol (Copenh). 1985 Feb;56(2):154-7. PubMed PMID: 3993383.
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10: Ahlenius S, Larsson K. Central muscarinic receptors and male rat sexual
behavior: facilitation by oxotremorine but not arecoline or pilocarpine in
methscopolamine pretreated animals. Psychopharmacology (Berl). 1985;87(2):127-9.
PubMed PMID: 3931135.

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