Tiospirone

Also known as: 8-[4-[4-(1,2-Benzisothiazol-3-yl)-1-piperazinyl]butyl]-8-azaspiro[4.5]decane-7,9-dione, 8-Azaspiro(4,5)decane-7,9-dione, 8-(4-(4-(1,2-benzisothiazol-3-yl)-1-piperazinyl)butyl)-, MJ-13859, Tiospirona, Tiospironum, Tiospirone [INN], [14C]-Tiospirone, tiaspirone

Tiospirone (CAS 87691-91-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C24H32N4O2S and a molecular weight of 440.60100 g/mol. Key properties include a boiling point of 600.9ºC at 760 mmHg, a density of 1.29g/cm3 and a flash point of 317.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 87691-91-6
Jingsj CID: J-1955274-3
Molecular Formula: C₂₄H₃₂N₄O₂S
Molecular Weight: 440.60100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	600.9ºC at 760 mmHg
Density	1.29g/cm3
Flash Point	317.2ºC
Exact Mass	440.22500
PSA	84.99000
LogP	3.84870
Refractive Index	1.652

Activity & Biological Data

Additional Information	[1]. Arolfo MP, et, al. Effects of amperozide and tiospirone, atypical antipsychotic 5-HT2 drugs, on food-reinforced behavior in rats. Physiol Behav. 1999 Dec;68(1-2):93-8. [2]. Arolfo MP, et, al. Tiospirone and the reinforcing effects of cocaine in the conditioned place preference paradigm in rats. J Pharm Pharmacol. 2000 Aug;52(8):977-81.

Frequently Asked Questions

What is the CAS number of Tiospirone?

The CAS number of Tiospirone is 87691-91-6.

What are the molecular formula and molecular weight of Tiospirone?

Tiospirone has molecular formula C24H32N4O2S and molecular weight 440.60100 g/mol.

What are the upstream and downstream products of Tiospirone?

For Tiospirone, Upstream Products: 3,3-Tetramethyleneglutarimide, 3-(1-Piperazinyl)-1,2-benzisothiazole, 2,2'-dithiodibenzoyl chloride.

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. "Tiospirone (CAS 87691-91-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955274-3 (accessed 2026-11-06).

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