Quinaprilat

Also known as: CI-928, CI928, Quinaprilat hydrate, Quinapril diacid, (3S)-2-[(2S)-2-[[(1S)-1-Carboxy-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic Acid, (3S)-2-[(S)-2-[[(S)-1-Carboxy-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid, Quinapril USP Related Compound B, Quinapril EP Impurity C

Quinaprilat (CAS 82768-85-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H26N2O5 and a molecular weight of 410.46300 g/mol. Key properties include a melting point of 166-168ºC, a boiling point of 674.5ºC at 760 mmHg, a density of 1.289 g/cm3 and a flash point of 361.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 82768-85-2
Jingsj CID: J-1958196-5
Molecular Formula: C₂₃H₂₆N₂O₅
Molecular Weight: 410.46300 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	166-168ºC
Boiling Point	674.5ºC at 760 mmHg
Density	1.289 g/cm3
Flash Point	361.7ºC
Exact Mass	410.18400
PSA	106.94000
LogP	2.41740

Activity & Biological Data

Additional Information	[1]. Haodan Yuan, et al. Renal organic anion transporter-mediated drug-drug interaction between gemcabene and quinapril. J Pharmacol Exp Ther. 2009 Jul;330(1):191-7. doi: 10.1124/jpet.108.149476. Epub 2009 Apr 6. [2]. Sinisa Stanisavljevic, et al. Angiotensin I-converting enzyme inhibitors block protein kinase C epsilon by activating bradykinin B1 receptors in human endothelial cells. J Pharmacol Exp Ther. 2006 Mar;316(3):1153-8.

Additional Information

[1]. Haodan Yuan, et al. Renal organic anion transporter-mediated drug-drug interaction between gemcabene and quinapril. J Pharmacol Exp Ther. 2009 Jul;330(1):191-7. doi: 10.1124/jpet.108.149476. Epub 2009 Apr 6. [2]. Sinisa Stanisavljevic, et al. Angiotensin I-converting enzyme inhibitors block protein kinase C epsilon by activating bradykinin B1 receptors in human endothelial cells. J Pharmacol Exp Ther. 2006 Mar;316(3):1153-8.

Frequently Asked Questions

What is the CAS number of Quinaprilat?

The CAS number of Quinaprilat is 82768-85-2.

What are the molecular formula and molecular weight of Quinaprilat?

Quinaprilat has molecular formula C23H26N2O5 and molecular weight 410.46300 g/mol.

What are the upstream and downstream products of Quinaprilat?

For Quinaprilat, Upstream Products: Quinapril hydrochloride, Quinapril.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Quinaprilat (CAS 82768-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958196-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.