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Merck
CN

Y0000621

Terazosin hydrochloride dihydrate

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]piperazine hydrochloride dihydrate

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About This Item

Empirical Formula (Hill Notation):
C19H25N5O4 · HCl · 2H2O
CAS Number:
70024-40-7
Molecular Weight:
459.92
NACRES:
NA.24
PubChem Substance ID:
329831056
UNSPSC Code:
41116107
MDL number:
MFCD00941408

Key Documents

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Product Name

Terazosin hydrochloride dihydrate, European Pharmacopoeia (EP) Reference Standard

InChI key

NZMOFYDMGFQZLS-UHFFFAOYSA-N

SMILES string

O.O.Cl.COc1cc2nc(nc(N)c2cc1OC)N3CCN(CC3)C(=O)C4CCCO4

InChI

1S/C19H25N5O4.ClH.2H2O/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;;;/h10-11,14H,3-9H2,1-2H3,(H2,20,21,22);1H;2*1H2

grade

pharmaceutical primary standard

API family

terazosin

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

Gene Information

human ... ADRA1A(148), ADRA1B(147), ADRA1D(146)

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Related Categories

Application

Terazosin hydrochloride dihydrate EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Laurel E Ecke et al.
Neuroreport, 23(5), 325-330 (2012-02-18)
The rewarding properties of psychomotor stimulants are traditionally thought to be independent of norepinephrine. Recent findings, however, suggest that local noradrenergic signaling through α1 receptors in the medial prefrontal cortex and the ventral tegmental area - brain regions critically important
Stephanie C Lazzaro et al.
Learning & memory (Cold Spring Harbor, N.Y.), 17(10), 489-493 (2010-09-28)
Norepinephrine receptors have been studied in emotion, memory, and attention. However, the role of alpha1-adrenergic receptors in fear conditioning, a major model of emotional learning, is poorly understood. We examined the effect of terazosin, an alpha1-adrenergic receptor antagonist, on cued
Gholamreza Mokhtari et al.
Urologia internationalis, 87(1), 19-22 (2011-05-21)
We evaluated the effect of terazosin in the improvement of lower urinary tract symptoms and flank pain in patients with internal ureteral stents. In this double-blind randomized clinical trial, 73 patients with unilateral ureteral stone and hydroureteronephrosis who underwent insertion
D Mitropoulos et al.
Andrologia, 45(2), 128-134 (2012-06-27)
Previous studies have shown that alpha1-adrenergic receptor antagonists may alter seminal vesicle contractility and impair fertility in male rats. This study was designed to investigate the effects of terazosin on the catalase expression in the seminal vesicles and the lipid
Man Liu et al.
Chirality, 24(12), 1047-1050 (2012-08-14)
The purpose of this study was to elucidate the pharmacokinetics of terazosin enantiomers in healthy Chinese male subjects. After a single oral dose of 2-mg terazosin, the plasma concentrations of terazosin enantiomers were measured over the course of 48 h
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