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Prazosin Hcl

Prazosin Hcl structure

CAS No.: 19237-84-4

Chemical Name:: Prazosin Hcl

Synonyms: PRAZOSIN HCL;(4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)(furan-2-yl)methanone hydrochloride;hypovase;pratsiol;sinetens;Vasoflex;peripress;Adversuten;Alpress LP;cp-12299-1

CBNumber:: CB00129335

Molecular Formula:: C19H22ClN5O4

Molecular Weight:: 419.86

MDL Number:: MFCD00058177

MOL File:: 19237-84-4.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-07-17 09:03:53

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Prazosin Hcl Properties

Melting point	277 - 280 °C
storage temp.	2-8°C
solubility	H₂O: 1 mg/mL, clear, colorless
form	solid
color	white
Water Solubility	Soluble in dimethyl sulfoxide, ethanol, water, methanol.
Merck	14,7717
BRN	4303561
InChI	InChI=1S/C19H21N5O4.ClH/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);1H
InChIKey	WFXFYZULCQKPIP-UHFFFAOYSA-N
SMILES	N1(C2=NC(N)=C3C(=N2)C=C(OC)C(OC)=C3)CCN(C(C2=CC=CO2)=O)CC1.[H]Cl
CAS DataBase Reference	19237-84-4(CAS DataBase Reference)
FDA UNII	X0Z7454B90
UNSPSC Code	41116107
NACRES	NA.77

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07,GHS08

Signal word

Warning

Hazard statements

H302-H315-H319-H335-H361

Precautionary statements

P201-P301+P312+P330-P302+P352-P305+P351+P338-P308+P313

target organs

Central nervous system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Risk Statements

22-36/37/38-62

Safety Statements

28-36

RIDADR

3249

WGK Germany

RTECS

VA1350000

HazardClass

6.1(b)

PackingGroup

III

HS Code

2934990002

Storage Class

11 - Combustible Solids

Hazard Classifications

Repr. 2
STOT RE 2
STOT SE 3

Hazardous Substances Data

19237-84-4(Hazardous Substances Data)

Toxicity

dog,LD50,oral,> 700mg/kg (700mg/kg),GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDSKIDNEY, URETER, AND BLADDER: OTHER CHANGES GASTROINTESTINAL: NAUSEA OR VOMITING,Oyo Yakuri. Pharmacometrics. Vol. 17, Pg. 39, 1979.

NFPA 704

	0
2		0

Prazosin Hcl price More Price(73)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	PHR3099	Prazosin Hydrochloride pharmaceutical secondary standard, certified reference material	19237-84-4	500MG	$266	2026-04-30	Buy
Sigma-Aldrich	P7791	Prazosin hydrochloride ≥99.0% (HPLC)	19237-84-4	1g	$1050	2026-04-30	Buy
Sigma-Aldrich	P2680000	Prazosin hydrochloride European Pharmacopoeia (EP) Reference Standard	19237-84-4	30 mg	$175	2026-04-30	Buy
Sigma-Aldrich	1554705	Prazosin hydrochloride United States Pharmacopeia (USP) Reference Standard	19237-84-4	350mg	$435	2026-04-30	Buy
TCI Chemical	P0938	Prazosin Hydrochloride >98.0%(T)	19237-84-4	100mg	$63	2026-04-30	Buy

Product number	Packaging	Price	Buy
PHR3099	500MG	$266	Buy
P7791	1g	$1050	Buy
P2680000	30 mg	$175	Buy
1554705	350mg	$435	Buy
P0938	100mg	$63	Buy

Prazosin Hcl Chemical Properties,Uses,Production

Description

Prazosin Hcl, a quinazoline derivative, is the first of a new chemical class of antihypertensives.

Physical properties

Prazosin Hcl is a white, crystalline substance, slightly soluble in water and isotonic saline, and has a molecular weight of 419.87.

Uses

Prazosin Hcl is indicated for the treatment of hypertension, to lower blood pressure. It can be used alone or in combination with other antihypertensive drugs such as diuretics or beta-adrenergic blocking agents.

Brand name

Minipress (Pfizer)

Biological Activity

α 1 and α 2B -adrenoceptor antagonist. Also a potent antagonist at the melatonin MT 3 receptor (K i = 10.2 nM). Also available as part of the α 1 -Adrenoceptor Tocriset™ and Mixed Adrenergic Tocriset™ .

Biochem/physiol Actions

Peripheral α1-adrenoceptor antagonist; vasodilator. Prazosin Hcl can be used to treat chronic posttraumatic stress disorder (PTSD). It plays a role in reducing blood pressure by relaxing blood vessels, hence used in the treatment of high blood pressure.

Side effects

Headache, drowsiness, tiredness, weakness, blurred vision, nausea, vomiting, diarrhea, or constipation

Prazosin Hcl Preparation Products And Raw materials

Raw materials

2,4-Dichloro-6,7-dihydro-5H-cyclopentapyrimidine 2-Furoyl chloride Ammonia 2-Chloro-4-amino-6,7-dimethoxyquinazoline Piperazine

Preparation Products

Prazosin Hcl Suppliers

Global( 334)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Chembest Research Laboratories Limited	021-20908456	sales@BioChemBest.com	China	5996	61
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Beijing HwrkChemical Technology Co., Ltd	89508211 18501085097	sales.bj@hwrkchemical.com	China	9407	55
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
Ascent Scientific	4401179829988	customerservice@ascentscientific.co.uk	United Kingdom	279	60
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Chembest Research Laboratories Limited	61
TCI (Shanghai) Development Co., Ltd.	81
Beijing HwrkChemical Technology Co., Ltd	55
Energy Chemical	61
Capot Chemical Co., Ltd	66
Ascent Scientific	60
Adamas Reagent, Ltd.	59

View Lastest Price from Prazosin Hcl manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2024-03-15	Prazosin 19216-56-9	$25.00-35.00	1kg	99.8%	200tons/year	Sigma Audley
2021-07-13	Prazosin 19216-56-9	$10.00-15.00	1KG	99%+ HPLC		Zhuozhou Wenxi import and Export Co., Ltd
2020-05-10	Prazosin 19216-56-9		1KG	99.0%	500 MT	Shaanxi Dideu Medichem Co. Ltd

Prazosin
19216-56-9
$25.00-35.00
99.8%
Sigma Audley

Prazosin
19216-56-9
$10.00-15.00
99%+ HPLC
Zhuozhou Wenxi import and Export Co., Ltd

Prazosin
19216-56-9
99.0%
Shaanxi Dideu Medichem Co. Ltd

Prazosin hydrochloride Spectrum

Prazosin hydrochloride(19237-84-4)¹HNMR

19237-84-4(Prazosin Hcl)Related Search:

6-Aminocaproic acid Dimethyldimethoxysilane Dimethylamine hydrochloride 3-Aminophenol 1,1-Dimethoxyethane

Topotecan hydrochloride 1-AdaMantanethylaMine Prazosin Piperazine Diphenyldimethoxysilane

Cetirizine dihydrochloride Diphenhydramine Hydrochloride Dimethoxymethane Tris(hydroxymethyl)aminomethane Glycine

Aminoethoxyvinyl glycine hydrochloride Terazosin impurity 2-Piperazine-4-amino-6,7-dimethoxyquinazoline Prazosin Hcl

1of4

4-Amino-2-pyroyl-6,7-dimetoxypiperazin-1-yl-chynazolina hydrochloride Furazosin hydrochloride, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonyl)piperazine hydrochloride [4-(4-Amino-6,7-dimethoxy-quinazolin-2-yl)piperazin-1-yl]-(2-furyl)methanone hydrochloride Prazosin hydrochloride,1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonyl)piperazine hydrochloride, Furazosin hydrochloride Prazosin Hydrochloride (500 mg) Prazosin hydrochlori 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonyl)piperazinehydr [4-(4-AMino-6,7-diMethoxy-2-quinazolinyl)-1-piperazinyl]-2-furanylMethanone Hydrochloride 1-(4-AMino-6,7-diMethoxy-2-quinazolinyl)-4-(2-furanylcarbonxyl) piperazine Hydrochloride Adversuten Adverszuten Alpress LP Prazosin Hydrochloride (350 mg) Terazosin Impurity14 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl)piperazine monohydrochloride PRAZOSIN HYDROCHLORIDE USP PRAZOSIN HYDROCHLORIDE PERIPHERAL A1 ADR ENER Prazosin HCl USP PrazosinHclC19H21N504.HC1 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl)piperazinemonohydrochlo 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furoyl)-piperazinmonohydro 2-(4-(2-furoyl)piperazin-1-yl)-4-amino-6,7-dimethoxyquinazolinehydrochloride 4-amino-6,7-dimethoxy-2-(4-(2-furoyl)piperazin-1-yl)-quinazolinhydrochlori cp-12299-1 deprazolin hypovase FURAZOSIN HYDROCHLORIDE PRAZOSIN HYDROCHLORIDE Alpress LP, Eurex, Hypovase, Minipress, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonxyl)piperazine, Hydrochloride Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonyl)-, monohydrochloride 1-(4-Amino-6,7-dimethoxy-2-chinazolinyl)-4-(2-furoyl)piperazinmonohydrochlorid 1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-(furan-2-ylcarbonyl) piperazine hydrochloride Terazosin-010-HCl Terazosin Impurity 11(Terazosin EP Impurity K) [4-(4-amino-6,7-dimethoxy-2-quinazolin-3-iumyl)-1-piperazinyl]-(2-furanyl)methanone Methanone,[4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-2-furanyl-,hydrochloride (1:1) hypovasole peripress pratsiol prazosinclorhidrato sinetens 1-(4-AMINO-6,7-DIMETHOXY-2-QUINAZOLINYL)-4-(2-FURANYLCARBONYL)PIPERAZINE HYDROCHLORIDE 1-(3-AMINO-6,7-DIMETHOXY-2-QUINAZOLINY)-4-(2-FURANYLCARBONYL)PIPERAZINE Prazosin hydrochloride CRS PrazosinHydrochloride> Prazosin HCl (Furazosin HCl, Terazosin EP Impurity K HCl) Prazosin Hydrochloride RS Prazosin hydrochloride salt Vasoflex Prazosin hydrochloride Solution in Methanol, 100μg/mL Prazosin HCl (Furazosin HCl) Prazosin hydrochloride USP/EP/BP prazosin HCLr Prazosin Hydrochloride (1.0 mg/mL in Methanol) Terazosin EP Impurity K (Prazosin) tianfu-chem_ Prazosin hydrochloride 19237-84-4 Prazosin Hydrochloride (1554705) Terazosin Hydrochloride Dihydrate Impurity K as Hydrochloride