Prazosin hydrochloride
Prazosin hydrochloride (CAS 19237-84-4), with the molecular formula C19H21N5O4 · HCl and a molecular weight of 419.86 g/mol, is a pharmaceutical intermediate. It functions as an alpha-1 adrenergic antagonist. This compound is primarily utilised in research settings for studies related to cardiovascular function and neurotransmission, serving as a valuable tool in pharmacological investigations.
- IUPAC
- 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonyl)piperazine hydrochloride,Furazosin hydrochloride

Pharmacological Research
Prazosin hydrochloride is employed as a research chemical for investigating alpha-1 adrenergic receptor function. Its antagonist properties make it useful in studies concerning cardiovascular regulation and potential therapeutic targets.
Neuroscience Studies
This compound serves as a tool in neuroscience research to explore the role of alpha-1 adrenergic receptors in neurotransmission. It aids in understanding complex signalling pathways within the central nervous system.
Bioactive Small Molecule
As a bioactive small molecule, Prazosin hydrochloride is utilised in screening assays and drug discovery programs. Its well-defined pharmacological profile supports its use in evaluating new therapeutic strategies.
| Molecular weight | 419.86 |
|---|---|
| Empirical formula | C19H21N5O4 · HCl |
| Assay | ≥99% (TLC) |
| Solubility | H2O: soluble0.5 mg/mLmethanol: soluble6 mg/mLdilute aqueous acid: insoluble |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H361Suspected of damaging fertility or the unborn child
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P281Use personal protective equipment as required
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-62 |
| Safety statements (S) | 28-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... ADRA1A(148), ADRA1B(147), ADRA1D(146) |
|---|
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 Prazosin hydrochloride used for?
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Prazosin hydrochloride is used in research for investigating alpha-1 adrenergic receptor function, cardiovascular regulation, and neurotransmission studies.
What is the CAS number and formula for Prazosin hydrochloride?
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The CAS number is 19237-84-4 and the empirical formula is C19H21N5O4 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Prazosin hydrochloride with a purity of ≥99% (TLC). We do not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling Prazosin hydrochloride?
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Prazosin hydrochloride is harmful if swallowed, causes skin irritation, serious eye irritation, and may cause respiratory irritation. Users should wear a dust mask (N95), eye shields, and gloves. Handle in a well-ventilated area.
Is Prazosin hydrochloride a controlled substance?
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The provided data does not indicate that Prazosin hydrochloride is a controlled substance.
How is Prazosin hydrochloride shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, capable of shipping and exporting Prazosin hydrochloride internationally.
How can I request a sample or quote for Prazosin hydrochloride?
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Please contact our sales team or use the enquiry form on our website to request a sample or a quote for Prazosin hydrochloride.
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