Skip to Content
Merck
CN
All Photos(1)

Documents

1643452

USP

Terazosin hydrochloride

United States Pharmacopeia (USP) Reference Standard

Sign Into View Organizational & Contract Pricing
All Photos(1)
Synonym(s):
Terazosin hydrochloride dihydrate, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]piperazine hydrochloride dihydrate
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:
329751228
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

terazosin

manufacturer/tradename

USP

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

Related Categories

General description

Terazosin hydrochloride is a quinazoline derivative. It is a alpha-1-selective adrenoceptor blocking agent. It has been used to treat hypertension, as it helps the blood vessels to relax, expand and improves blood flow.

Application

It may be used as drug standard stock solution for determination of terazosin hydrochloride dihydrate using potentiometric and fluorimetric techniques.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

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

Y0000621

Terazosin hydrochloride dihydrate, European Pharmacopoeia (EP) Reference Standard

Y0000665

Terazosin impurity E, European Pharmacopoeia (EP) Reference Standard

Y0000624

Terazosin impurity N, European Pharmacopoeia (EP) Reference Standard

Y0000666

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

PHR1721

Terazosin Hydrochloride, Pharmaceutical Secondary Standard; Certified Reference Material

Y0002286

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

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Potentiometric and fluorimetric methods for the determination of terazosin HCl in drug substance and dosage forms.
Ismail, Nahla S., and Taghreed A. Mohamed.
International Journal of Electrochemical Science, 9, 7394-7394 (2014)
Terazosin potentiometric sensor for quantitative analysis of terazosin hydrochloride in pharmaceutical formulation based on computational study.
Hosseini, Morteza, Ensieh Nasli-Esfahani, and Parviz Norouzi.
International Journal of Electrochemical Science, 5, 200-214 (2010)
Peter B Schwarz et al.
The Journal of physiology, 592(16), 3597-3609 (2014-05-27)
Noradrenergic neurotransmission in the brainstem is closely coupled to changes in muscle activity across the sleep-wake cycle, and noradrenaline is considered to be a key excitatory neuromodulator that reinforces the arousal-related stimulus on motoneurons to drive movement. However, it is

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