Skip to Content
Merck
All Photos(1)

Key Documents

More Documents

Safety Information

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

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

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

grade

pharmaceutical primary standard

API family

terazosin

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

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

InChI key

NZMOFYDMGFQZLS-UHFFFAOYSA-N

Gene Information

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

Looking for similar products? Visit Product Comparison Guide

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.

Application

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

Packaging

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

Other Notes

Sales restrictions may apply.

related product

Product No.
Description
Pricing

Y0000622

Terazosin impurity A, European Pharmacopoeia (EP) Reference Standard

1643463

Terazosin Related Compound A, United States Pharmacopeia (USP) Reference Standard

1643474

Terazosin Related Compound B, United States Pharmacopeia (USP) Reference Standard

1643485

Terazosin Related Compound C, United States Pharmacopeia (USP) Reference Standard

Y0000665

Terazosin impurity E, European Pharmacopoeia (EP) Reference Standard

Y0000624

Terazosin impurity N, European Pharmacopoeia (EP) Reference Standard

1643452

Terazosin hydrochloride, United States Pharmacopeia (USP) Reference Standard

Y0000666

Terazosin for system suitability, CRS, European Pharmacopoeia (EP) Reference Standard

PHR1721

Terazosin Hydrochloride, Pharmaceutical Secondary Standard; Certified Reference Material

PHR3137

Terazosin Related Compound A, certified reference material, pharmaceutical secondary standard

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

Y0000621-1EA:
Y0000621:
Y0000621-40MG:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Ali Ghaleiha et al.
International journal of psychiatry in clinical practice, 17(1), 44-47 (2012-06-27)
By considering the role of adrenergic nervous system in sweat secretion, we postulated that terazosin may be able to improve sweating after taking sertraline, a selective serotonin reuptake inhibitor (SSRI) drug. This study was designed to evaluate the effect of
Arash Tadjalli et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 30(50), 16886-16895 (2010-12-17)
The respiratory control system is not just reflexive, it is smart, it learns, and, in fact, it has a memory. The respiratory system listens to and carefully remembers how previous stimuli affect breathing. Respiratory memory is laid down by adjusting
Cabir Alan et al.
Urology, 77(6), 1439-1443 (2011-01-25)
To investigate the effects of alpha receptor blockers used in the treatment of benign prostatic hyperplasia (BPH) on endothelial functions, coagulation parameters, and arterial blood pressure. One-hundred fifteen patients admitted to the treatment protocol because of symptomatic BPH were included
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
M R Yadav et al.
Pharmaceutical biology, 50(4), 439-442 (2011-12-06)
The problem of hypertension has gained enormous proportions in the past decade. Multifactorial etiology and complex pathophysiology of the disease has rendered the treatment of the disease a hard task. Sympathetic nervous system and the renin-angiotensin-aldosterone system are primary contributors
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service