1643452

Terazosin hydrochloride

United States Pharmacopeia (USP) Reference Standard

• 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
• NACRES: NA.24
• PubChem Substance ID: 329751228
• UNSPSC Code: 41116107
• MDL number: MFCD00941408
• eCl@ss: 25140904

Properties

• grade: pharmaceutical primary standard
• agency: USP
• API family: terazosin
• manufacturer/tradename: USP
• application(s): pharmaceutical (small molecule); pharmaceutical
• 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)

Description

General description

Find answers to frequently asked questions on USP products in USP FAQs.

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

Terazosin hydrochloride USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

• Terazosin Capsules
• Terazosin Tablets

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.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Codes: H319
• Precautionary Statements: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class: 11 - Combustible Solids
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable