Determine the necessary mass, volume, or concentration for preparing a solution.
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Moligand™, ≥98% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Prazosin is an alpha-adrenergic blocker and is a sympatholytic drug used to treat high blood pressure and anxiety, PTSD, and panic disorder.Target: Adrenergic ReceptorPrazosin, is a sympatholytic drug used to treat high blood pressure and anxiety, PTSD, andpanic disorder. It is an alpha-adrenergic blocker that is specific for the alpha-1 receptors. These receptors are found on vascular smooth muscle, where they are responsible for the vasoconstrictive action of norepinephrine. They are also found throughout the central nervous system. As of 2013, prazosin is off-patent in the US, and the FDA has approved at least one generic manufacturer.In addition to its alpha-blocking activity, prazosin is an antagonist of the MT3 receptor (which is not present in humans), with selectivity for this receptor over the MT1 and MT2 receptors.Prazosin is orally active and has a minimal effect on cardiac function due to its alpha-1 receptor selectivity. However, when prazosin is initially started, heart rate and contractility go up in order to maintain the pre-treatment blood pressures because the body has reached homeostasis at its abnormally high blood pressure. The blood pressure lowering effect becomes apparent when prazosin is taken for longer periods of time. The heart rate and contractility go back down over time and blood pressure decreases.
| Pubchem Sid | 504750828 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504750828 |
| Canonical Smiles | COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4=CC=CO4)N)OC |
| IUPAC Name | [4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(furan-2-yl)methanone |
| InChIKey | IENZQIKPVFGBNW-UHFFFAOYSA-N |
| INCHI | 1S/C19H21N5O4/c1-26-15-10-12-13(11-16(15)27-2)21-19(22-17(12)20)24-7-5-23(6-8-24)18(25)14-4-3-9-28-14/h3-4,9-11H,5-8H2,1-2H3,(H2,20,21,22) |
| Isomeric SMILES | COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4=CC=CO4)N)OC |
| Alternate CAS | 19216-56-9 |
| PubChem CID | 4893 |
| MeSH Entry Terms | Furazosin;HCL, Prazosin;Hydrochloride, Prazosin;Minipress;Pratsiol;Prazosin;Prazosin HCL;Prazosin Hydrochloride |
| Molecular Weight | 383.4 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Diazinanes |
| Subclass | Piperazines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | N-arylpiperazines |
| Alternative Parents | Quinazolinamines 2-heteroaryl carboxamides Anisoles Dialkylarylamines Furoic acid and derivatives Alkyl aryl ethers Aminopyrimidines and derivatives Imidolactams Tertiary carboxylic acid amides Heteroaromatic compounds Amino acids and derivatives Azacyclic compounds Oxacyclic compounds Organic oxides Organopnictogen compounds Hydrocarbon derivatives Primary amines |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | N-arylpiperazine - Quinazolinamine - Diazanaphthalene - Quinazoline - 2-heteroaryl carboxamide - Furoic acid or derivatives - Anisole - Dialkylarylamine - Alkyl aryl ether - Aminopyrimidine - Benzenoid - Pyrimidine - Imidolactam - Tertiary carboxylic acid amide - Heteroaromatic compound - Furan - Carboxamide group - Amino acid or derivatives - Carboxylic acid derivative - Ether - Oxacycle - Azacycle - Organic oxygen compound - Amine - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organonitrogen compound - Organooxygen compound - Primary amine - Organopnictogen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as n-arylpiperazines. These are organic compounds containing a piperazine ring where the nitrogen ring atom carries an aryl group. |
| External Descriptors | aromatic ether - monocarboxylic acid amide - furans - quinazolines - piperazines |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Jul 10, 2025 | P305290 | |
| Certificate of Analysis | Jul 10, 2025 | P305290 | |
| Certificate of Analysis | Jul 10, 2025 | P305290 | |
| Certificate of Analysis | Jul 10, 2025 | P305290 | |
| Certificate of Analysis | Jul 10, 2025 | P305290 | |
| Certificate of Analysis | Jul 10, 2025 | P305290 | |
| Certificate of Analysis | Sep 22, 2022 | P305290 |
| Boil Point(°C) | 638.366°C at 760 mmHg |
|---|---|
| Melt Point(°C) | 278-280 ºC |
| Molecular Weight | 383.400 g/mol |
| XLogP3 | 2.000 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 4 |
| Exact Mass | 383.159 Da |
| Monoisotopic Mass | 383.159 Da |
| Topological Polar Surface Area | 107.000 Ų |
| Heavy Atom Count | 28 |
| Formal Charge | 0 |
| Complexity | 544.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Lu Yang, Zijin Lin, Ruijing Mu, Wenhan Wu, Hao Zhi, Xiaodong Liu, Hanyu Yang, Li Liu. (2024) Neurons enhance blood–brain barrier function via upregulating claudin-5 and VE-cadherin expression due to glial cell line-derived neurotrophic factor secretion. eLife, [PMID:39475379] [10.7554/eLife.96161] |
| 2. Xinyang Xuanyuan, Wenshang Liu, Min Jiang, Xin Zhang, BeiBei Wen, Rui Zheng, Ning Yao, Tinglin Zhang, Yu Feng, Chaofeng Qiao, Huiqi Zhang, Dong Luo, Sa Feng, Meng Li, Jie Gao, Zhengmao Lu. (2025) Harnessing Prazosin for Tumors: Liposome Hybrid Nanovesicles Activate Tumor Immunotherapy via Autophagy Inhibition. BIOMATERIALS, [PMID:39985978] [10.1016/j.biomaterials.2025.123184] |
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