3-(1-Piperazinyl)-1,2-benzisothiazole
Also known as: 3-(1-Piperazinyl)-1,2-benzisothiazole, 1-(1,2-Benzisothiazol-3-yl)piperazine, Ziprasidone EP Impurity A, Lurasidone Impurity 13, 3-Piperazin-1-yl-1,2-benzothiazole, 3-(1-Piperazinyl)-1,2-benzothiazole, MFCD04117970, ASINEX-REAG BAS 13031053
3-(1-Piperazinyl)-1,2-benzisothiazole (CAS 87691-87-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13N3S and a molecular weight of 219.306 g/mol. Key properties include a melting point of 91 °C, a boiling point of 320.2±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 147.4±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 87691-87-0
- Jingsj CID
- J-1154250-0
- Molecular Formula
- C11H13N3S
- Molecular Weight
- 219.306 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 91 °C |
|---|---|
| Boiling Point | 320.2±35.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 147.4±25.9 °C |
| Exact Mass | 219.083023 |
| PSA | 56.40000 |
| LogP | 1.41 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.656 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-(1-Piperazinyl)-1,2-benzisothiazole?
The CAS number of 3-(1-Piperazinyl)-1,2-benzisothiazole is 87691-87-0.
What are the molecular formula and molecular weight of 3-(1-Piperazinyl)-1,2-benzisothiazole?
3-(1-Piperazinyl)-1,2-benzisothiazole has molecular formula C11H13N3S and molecular weight 219.306 g/mol.
Is 3-(1-Piperazinyl)-1,2-benzisothiazole hazardous?
3-(1-Piperazinyl)-1,2-benzisothiazole has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 3-(1-Piperazinyl)-1,2-benzisothiazole?
For 3-(1-Piperazinyl)-1,2-benzisothiazole, Upstream Products: Piperazine, 3-Chloro-1,2-benzisothiazole, 2,2'-dithiodibenzoyl chloride; Downstream Products: 2-piperazin-1-yl-benzothiazole, (3aR,7aR)-4'-(1,2-Benzisothiazol-3-yl)octahydrospiro[2H-isoindole-2,1'-piperazinium] methanesulfonate, Ziprasidone hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(1-Piperazinyl)-1,2-benzisothiazole (CAS 87691-87-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1154250-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.