Terazosin hydrochloride
Terazosin hydrochloride (CAS: 63590-64-7), with the empirical formula C19H25N5O4 · HCl and a molecular weight of 423.89 g/mol, is supplied by TSS as a white to off-white powder. It is primarily utilised in chemical research for evaluating chromatographic methods, particularly in orthogonality and similarity analysis. Its properties also lend themselves to studies in cell biology and neuroscience, specifically related to adrenoceptor activity.
- IUPAC
- 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]piperazine hydrochloride

Chromatographic Method Development
Terazosin hydrochloride serves as a standard in reversed-phase chromatographic studies, aiding in the orthogonal and similarity analysis of analytical methods.
Chemometric Technique Evaluation
It is employed to assess the effectiveness of various chemometric techniques for determining orthogonality and similarity within chromatographic procedures.
Pharmacological Research
As an alpha-1 adrenergic antagonist, it is a valuable tool for research in cell signaling, neuroscience, and neurotransmission studies involving GPCRs.
| Molecular weight | 423.89 |
|---|---|
| Empirical formula | C19H25N5O4 · HCl |
| Assay | ≥98% (TLC) |
| Form | powder |
| Colour | white to off-white |
| Solubility | H2O: soluble19.60 - 20.40 mg/mL, clear, colorless to faintly yellowmethanol: soluble20 mg/mL, clear, colorlessethanol: soluble4 mg/mL |
| Application | Terazosin hydrochloride has been used for orthogonality and similarity analysis using reversed-phase chromatographic studies5. Furthermore, terazosin has also been used for the evaluation of chemometric techniques to determine orthogonality and similarity in chromatographic methods6. |

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) | 26 |
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 Terazosin hydrochloride used for?
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Terazosin hydrochloride is used in chemical research for orthogonality and similarity analysis using reversed-phase chromatographic studies and for the evaluation of chemometric techniques. It is also utilised in cell biology and neuroscience research.
What is the CAS number and formula for Terazosin hydrochloride?
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The CAS number is 63590-64-7, and the empirical formula is C19H25N5O4 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Terazosin hydrochloride with an assay of ≥98% (TLC). We do not claim USP, BP, or EP grade unless explicitly stated in the product data.
What are the safety considerations when handling Terazosin hydrochloride?
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Terazosin hydrochloride is classified with GHS07 and a warning signal word. It carries hazard statement H302 (Harmful if swallowed). Personnel should use a dust mask type N95 (US), eyeshields, and gloves. The substance has a WGK rating of 3 in Germany.
How is Terazosin hydrochloride packed, shipped, and exported?
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Tech Serve Solutions expertly packs and exports fine chemicals globally, adhering to all necessary regulations for safe and compliant transit.
How can I request a quote or sample of Terazosin hydrochloride?
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Please contact our customer service team to request a quote or sample of Terazosin hydrochloride. We are available to assist with your specific research needs.
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