Urapidil hydrochloride
Urapidil hydrochloride (CAS 64887-14-5), with the molecular formula C20H29N5O3 · HCl and a molecular weight of 423.94 g/mol, is a white solid. This compound functions as an alpha-1 adrenergic antagonist. It is commonly utilised in research settings for its pharmacological properties related to blood pressure regulation and cardiovascular studies. Urapidil hydrochloride is a valuable reagent for scientific investigation within the fields of cell biology and neuroscience.
- IUPAC
- 6-[[3-[4-(o-Methoxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyluracil hydrochloride

Pharmacological Research
Urapidil hydrochloride serves as a key reagent in cardiovascular research, particularly for investigating alpha-1 adrenergic receptor activity and its role in blood pressure regulation. Its use aids in understanding the mechanisms of hypertension and developing potential therapeutic strategies.
Neuroscience Studies
This compound is employed in neuroscience research to explore neurotransmission pathways, especially those involving adrenergic receptors. It can be used to study the effects of alpha-1 antagonism on neuronal function and signalling.
Cell Biology Investigations
As a bioactive small molecule, Urapidil hydrochloride is utilised in cell biology to probe cellular responses and signalling cascades. It can help researchers understand how adrenergic receptor modulation impacts cellular processes and functions.
| Molecular weight | 423.94 |
|---|---|
| Empirical formula | C20H29N5O3 · HCl |
| Form | solid |
| Colour | white |
| Solubility | H2O: soluble25 mg/mL, clear, colorless to very faintly yellow |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 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), HTR1A(3350) |
|---|
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 Urapidil hydrochloride used for?
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Urapidil hydrochloride (CAS 64887-14-5) is primarily used in scientific research, particularly in pharmacology, neuroscience, and cell biology, for its properties as an alpha-1 adrenergic antagonist.
What are the CAS number and formula for Urapidil hydrochloride?
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The CAS number for Urapidil hydrochloride is 64887-14-5, and its empirical formula is C20H29N5O3 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Urapidil hydrochloride as a research-grade chemical. The specific purity and assay are detailed in the product specifications, and it is not represented as USP, BP, or EP grade.
What are the primary safety concerns when handling Urapidil hydrochloride?
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Urapidil hydrochloride is classified with GHS07 symbol and a Warning signal word, carrying the hazard statement H302 (Harmful if swallowed). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used during handling.
How is Urapidil hydrochloride typically packed and shipped?
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Urapidil hydrochloride is supplied as a white solid. It is carefully packaged to maintain its integrity during transport and is exported globally by Tech Serve Solutions.
How can I request a quote or sample of Urapidil hydrochloride?
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To request a quote or a sample of Urapidil hydrochloride, please contact our sales team through the website or direct inquiry channels, providing the product name and CAS number.
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