3-(Piperazin-1-yl)-1,2-benzisoxazole

Also known as: 1,2-Benzisoxazole, 3-(1-piperazinyl)-, 3-(1-Piperazino)-1,2-benzisoxazole, 3-(1-Piperazinyl)-1,2-benzisoxazole, 3-(Piperazin-1-yl)benzo[d]isoxazole, 1-(1,2-Benzisoxazol-3-yl)piperazine

3-(Piperazin-1-yl)-1,2-benzisoxazole (CAS 87691-89-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H13N3O and a molecular weight of 203.24000 g/mol. Key properties include a boiling point of 387.818ºC at 760 mmHg, a density of 1.211g/cm3 and a flash point of 188.346ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 87691-89-2
Jingsj CID: J-35753-9
Molecular Formula: C₁₁H₁₃N₃O
Molecular Weight: 203.24000 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	387.818ºC at 760 mmHg
Density	1.211g/cm3
Flash Point	188.346ºC
Exact Mass	203.10600
PSA	41.30000
LogP	1.63120
Refractive Index	1.608

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-(Piperazin-1-yl)-1,2-benzisoxazole?

The CAS number of 3-(Piperazin-1-yl)-1,2-benzisoxazole is 87691-89-2.

What are the molecular formula and molecular weight of 3-(Piperazin-1-yl)-1,2-benzisoxazole?

3-(Piperazin-1-yl)-1,2-benzisoxazole has molecular formula C11H13N3O and molecular weight 203.24000 g/mol.

What are the upstream and downstream products of 3-(Piperazin-1-yl)-1,2-benzisoxazole?

For 3-(Piperazin-1-yl)-1,2-benzisoxazole, Upstream Products: Piperazine, 3-Chloro-1,2-benzisoxazole, Salicylhydroxamic acid.

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. "3-(Piperazin-1-yl)-1,2-benzisoxazole (CAS 87691-89-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35753-9 (accessed 2026-11-09).

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