Date published: 2025-12-18

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N-Desmethyl Pirenzepine (CAS 63257-31-8)

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Application:
N-Desmethyl Pirenzepine is a metabolite of Pirenzepine
CAS Number:
63257-31-8
Molecular Weight:
337.38
Molecular Formula:
C18H19N5O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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N-Desmethyl Pirenzepine is a metabolite of Pirenzepine (sc-204197). Pirenzepine is a selective antagonist for the M1 muscarinic receptor (mAChR) and is reported to block presynaptic M1 receptors as well as some reported inverse agonist activity. A study investigating the pharmacological characterization of the muscarinic receptors associated with ACh-induced pulmonary vasodilation in a rabbit model of pulmonary hypertension determined the IC50 to be 2.51x10-7M. Addtional research studies have investigated the role of Pirenzepine in the pathophysiology of myopia. Other M1 receptor antagonists offered include Telenzepine (sc-204332).


N-Desmethyl Pirenzepine (CAS 63257-31-8) References

  1. Inverse agonist activity of pirenzepine at M2 muscarinic acetylcholine receptors.  |  Daeffler, L., et al. 1999. Br J Pharmacol. 126: 1246-52. PMID: 10205015
  2. M₃muscarinic receptors mediate acetylcholine-induced pulmonary vasodilation in pulmonary hypertension.  |  Orii, R., et al. 2010. Biosci Trends. 4: 260-6. PMID: 21068480
  3. Presynaptic muscarinic receptor subtypes involved in the enhancement of spontaneous GABAergic postsynaptic currents in hippocampal neurons.  |  González, JC., et al. 2011. Eur J Neurosci. 33: 69-81. PMID: 21091801
  4. The interaction between tropomyosin-related kinase B receptors and presynaptic muscarinic receptors modulates transmitter release in adult rodent motor nerve terminals.  |  Garcia, N., et al. 2010. J Neurosci. 30: 16514-22. PMID: 21147991
  5. Automated monoclonal radioimmunoassays for pirenzepine, a selective muscarinic receptor antagonist, in plasma and urine.  |  Tanswell, P., et al. 1986. J Immunol Methods. 93: 247-58. PMID: 3772116

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

N-Desmethyl Pirenzepine, 1 mg

sc-212191
1 mg
$340.00

N-Desmethyl Pirenzepine, 10 mg

sc-212191A
10 mg
$2400.00

N-Desmethyl Pirenzepine, 50 mg

sc-212191B
50 mg
$12000.00