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Arundic acid

Also known as: ONO 2506, ONO-2506PO, Proglia, Cereact, R-(-)-Arundic Acid, (2R)-2-propyloctanoic acid, (R)-2-propyloctanoic acid

Arundic acid (CAS 185517-21-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H22O2 and a molecular weight of 186.29100 g/mol. Key properties include a boiling point of 289.3ºC at 760mmHg and a density of 0.908 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
185517-21-9
Jingsj CID
J-1903-3
Molecular Formula
C11H22O2
Molecular Weight
186.29100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point289.3ºC at 760mmHg
Density0.908 g/cm3
Exact Mass186.16200
PSA37.30000
LogP3.45770
Vapor Pressure0.000557mmHg at 25°C
Refractive Index1.444

Activity & Biological Data

Additional Information[1]. Tomoyuki Hasegawa, et al. Process Development of ONO-2506:  A Therapeutic Agent for Stroke and Alzheimer's Disease. Org. Process Res. Dev.200372168-171. [2]. Kato H, et al. Arundic acid, an astrocyte-modulating agent, protects dopaminergic neurons against MPTPneurotoxicity in mice. Brain Res. 2004 Dec 24;1030(1):66-73.

Frequently Asked Questions

What is the CAS number of Arundic acid?

The CAS number of Arundic acid is 185517-21-9.

What are the molecular formula and molecular weight of Arundic acid?

Arundic acid has molecular formula C11H22O2 and molecular weight 186.29100 g/mol.

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

Last updated:

How to cite: Jingsj. "Arundic acid (CAS 185517-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1903-3 (accessed 2026-11-06).

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