Tolpiprazole

托吡哌唑

Also known as: Tolpiprazole, 1-(3-methylphenyl)-4-[2-(5-methyl-1H-pyrazol-3-yl)ethyl]piperazine, 1-[2-(5-Methyl-1H-pyrazol-3-yl)ethyl]-4-m-tolylpiperazine, H 4170, H-4170, UNII-8XP74P4HO3, 1-(2-(5-Methylpyrazol-3-yl)ethyl)-4-m-tolylpiperazine, 1-[2-(5-methyl-1(2)H-pyrazol-3-yl)-ethyl]-4-m-tolyl-piperazine, 3-<2-(N'-m-Tolylpiperazino)-ethyl>-5-methylpyrazol, Piperazine, 1-(3-methylphenyl)-4-[2-(5-methyl-1H-pyrazol-3-yl)ethyl]-, Tolpiprazole [INN:BAN]

Tolpiprazole (CAS 20326-13-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H24N4 and a molecular weight of 284.39900 g/mol. It is also known as 1-(3-methylphenyl)-4-[2-(5-methyl-1H-pyrazol-3-yl)ethyl]piperazine, 1-[2-(5-Methyl-1H-pyrazol-3-yl)ethyl]-4-m-tolylpiperazine and H 4170. Key properties include a boiling point of 483ºC at 760mmHg, a density of 1.114g/cm3 and a flash point of 245.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20326-13-0
Jingsj CID
J-1312045-6
Molecular Formula
C17H24N4
Chinese Name
托吡哌唑
Molecular Weight
284.39900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point483ºC at 760mmHg
Density1.114g/cm3
Flash Point245.9ºC

Frequently Asked Questions

What is the CAS number of Tolpiprazole?

The CAS number of Tolpiprazole is 20326-13-0.

What are the molecular formula and molecular weight of Tolpiprazole?

Tolpiprazole has molecular formula C17H24N4 and molecular weight 284.39900 g/mol.

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

Last updated:

How to cite: Jingsj. "Tolpiprazole (CAS 20326-13-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1312045-6 (accessed 2026-10-26).

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