Terazosin hydrochloride

盐酸特拉唑嗪

Also known as: 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]piperazine hydrochloride, Terazosin HCl, Urodie, Vicard, Itrin, MFCD00467965, 6,7-dimethoxy-2-[4-(oxolane-2-carbonyl)piperazin-1-yl]quinazolin-4-amine hydrochloride, [4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl](tetrahydrofuran-2-yl)methanone hydrochloride, abbott-45975

Terazosin hydrochloride (CAS 63074-08-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H26ClN5O4 and a molecular weight of 423.89 g/mol. It is also known as 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]piperazine hydrochloride, Terazosin HCl and Urodie. Key properties include a boiling point of 664.5±65.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 355.7±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 63074-08-8
Jingsj CID: J-1969970-1
Molecular Formula: C₁₉H₂₆ClN₅O₄
Chinese Name: 盐酸特拉唑嗪
Molecular Weight: 423.89 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	664.5±65.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	355.7±34.3 °C
PSA	103.04000
LogP	-0.96
Appearance	powder,white to off-white
Vapor Pressure	0.0±2.0 mmHg at 25°C
Refractive Index	1.636
Storage Conditions	Store at RT
Additional Property	H2O: 25 mg/mL

Activity & Biological Data

Target	α1-adrenoceptor[1]
Additional Information	[1]. Michel MC, et al. Drugs for treatment of benign prostatic hyperplasia: affinity comparison at cloned alpha 1-adrenoceptor subtypes and in human prostate. J Auton Pharmacol. 1996 Feb;16(1):21-8. [2]. Vincent J, et al. Pharmacological tolerance to alpha 1-adrenergic receptor antagonism mediated by terazosin in humans. J Clin Invest. 1992 Nov;90(5):1763-8. [3]. Ju M, et al. Efficacy of combination terazosin and nifedipine therapy in postoperative treatment of distal ureteral stones after transurethral ureteroscopic lithotripsy. J Int Med Res. 2020 Apr;48(4):300060520904851.

Target

α1-adrenoceptor[1]

Additional Information

[1]. Michel MC, et al. Drugs for treatment of benign prostatic hyperplasia: affinity comparison at cloned alpha 1-adrenoceptor subtypes and in human prostate. J Auton Pharmacol. 1996 Feb;16(1):21-8. [2]. Vincent J, et al. Pharmacological tolerance to alpha 1-adrenergic receptor antagonism mediated by terazosin in humans. J Clin Invest. 1992 Nov;90(5):1763-8. [3]. Ju M, et al. Efficacy of combination terazosin and nifedipine therapy in postoperative treatment of distal ureteral stones after transurethral ureteroscopic lithotripsy. J Int Med Res. 2020 Apr;48(4):300060520904851.

Frequently Asked Questions

What is the CAS number of Terazosin hydrochloride?

The CAS number of Terazosin hydrochloride is 63074-08-8.

What are the molecular formula and molecular weight of Terazosin hydrochloride?

Terazosin hydrochloride has molecular formula C19H26ClN5O4 and molecular weight 423.89 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Terazosin hydrochloride (CAS 63074-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969970-1 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.