5-Chloro-1,2-benzisoxazol-3(2H)-one

Also known as: 5-Chlorobenzo[d]isoxazol-3-ol, 5-Chloro-3-hydroxybenzisoxazole, 5-Chlorobenzo[d]isoxazol-3(2H)-one, 5-Chloro-1,2-benzoxazol-3-ol, 5-Chloro-1,2-benzoxazol-3-one, 5-Chloro-2,3-dihydro-1,2-benzoxazol-3-one, 5-Chloro-3-hydroxy-1,2-benzisoxazole, 5-Chloro-3-hydroxy-1,2-benzoisoxazole

5-Chloro-1,2-benzisoxazol-3(2H)-one (CAS 24603-63-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H4ClNO2 and a molecular weight of 169.56500 g/mol. Key properties include a melting point of 216-220ºC, a boiling point of 336.7ºC at 760 mmHg, a density of 1.486 and a flash point of 157.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 24603-63-2
Jingsj CID: J-1318567-6
Molecular Formula: C₇H₄ClNO₂
Molecular Weight: 169.56500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	216-220ºC
Boiling Point	336.7ºC at 760 mmHg
Density	1.486
Flash Point	157.4ºC
Exact Mass	168.99300
PSA	46.26000
LogP	2.18680

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 5-Chloro-1,2-benzisoxazol-3(2H)-one?

The CAS number of 5-Chloro-1,2-benzisoxazol-3(2H)-one is 24603-63-2.

What are the molecular formula and molecular weight of 5-Chloro-1,2-benzisoxazol-3(2H)-one?

5-Chloro-1,2-benzisoxazol-3(2H)-one has molecular formula C7H4ClNO2 and molecular weight 169.56500 g/mol.

What are the upstream and downstream products of 5-Chloro-1,2-benzisoxazol-3(2H)-one?

For 5-Chloro-1,2-benzisoxazol-3(2H)-one, Upstream Products: 1,2-benzisoxazol-3(2H)-one, 5-Chloro-N,2-dihydroxybenzamide, 3,5-Dichlorobenzo[d]isoxazole; Downstream Products: 3,5-Dichlorobenzo[d]isoxazole.

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. "5-Chloro-1,2-benzisoxazol-3(2H)-one (CAS 24603-63-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1318567-6 (accessed 2026-11-09).

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