Pirenzepine dihydrochloride
Pirenzepine dihydrochloride (CAS: 29868-97-1) is a chemical compound with the molecular formula C19H21N5O2 · 2HCl and a molecular weight of 424.32 g/mol. Supplied as a white powder, it functions primarily as a selective M1 muscarinic acetylcholine receptor antagonist. This property makes it a valuable tool in research settings for investigating cholinergic neurotransmission and related physiological processes within cell biology and neuroscience.
- IUPAC
- 5,11-Dihydro-11-[(4-methyl-1-piperazinyl)acetyl]-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one dihydrochloride

Pharmacological Research
Pirenzepine dihydrochloride is utilised as a selective M1 muscarinic receptor antagonist in various research contexts. It aids in the study of cholinergic pathways and their roles in physiological functions.
Neuroscience Investigations
As a tool in neuroscience, this compound helps researchers explore the intricacies of neurotransmission, particularly the function of M1 receptors in the central nervous system.
Cell Biology Studies
Its specific action on M1 receptors makes Pirenzepine dihydrochloride useful for cell-based assays investigating cell signalling and the impact of cholinergic modulation.
| Molecular weight | 424.32 |
|---|---|
| Empirical formula | C19H21N5O2 · 2HCl |
| Assay | ≥98% (TLC) |
| Form | powder |
| Colour | white |
| Solubility | H2O: soluble50 mg/mL |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 2 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... CHRM1(1128) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Pirenzepine dihydrochloride used for?
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Pirenzepine dihydrochloride is used in pharmacological research as a selective M1 muscarinic acetylcholine receptor antagonist to study cholinergic neurotransmission, neuroscience, and cell signaling.
What is the CAS number and molecular formula for Pirenzepine dihydrochloride?
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The CAS number is 29868-97-1 and the molecular formula is C19H21N5O2 · 2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pirenzepine dihydrochloride with an assay of ≥98% (TLC). We do not represent this product as USP, BP, or EP grade.
What are the primary safety concerns when handling Pirenzepine dihydrochloride?
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When handling Pirenzepine dihydrochloride, it is essential to use personal protective equipment including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The compound is classified under WGK Germany 2.
How is Pirenzepine dihydrochloride packed and shipped?
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Pirenzepine dihydrochloride is typically supplied as a white powder and is available for export by Tech Serve Solutions. Specific packing details are available upon request.
How can I request a sample or quote for Pirenzepine dihydrochloride?
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To request a sample or a quotation for Pirenzepine dihydrochloride, please contact the Tech Serve Solutions sales department through our official channels.
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