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1,2-Benzisoxazole-3-methanesulfonic acid sodium salt

Also known as: Sodium 1,2-benzisoxazole-3-methanesulfonate, (1,2-Benzisoxazol-3-yl)methanesulfonic acid sodium salt, Zonisamide USP Related Compound A sodium, Zonisamide Related Compound A Sodium Salt, 1,2-Benzisoxazole-3-methanesulfonate Sodium Salt, forZonisamide, Zonisamide Intermediate, Sodium 1,2-benzoxazol-3-ylmethanesulfonate

1,2-Benzisoxazole-3-methanesulfonic acid sodium salt (CAS 73101-64-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6NNaO4S and a molecular weight of 235.192 g/mol. Key property: a melting point of 275ºC dec.. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
73101-64-1
Jingsj CID
J-1460393-1
Molecular Formula
C8H6NNaO4S
Molecular Weight
235.192 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point275ºC dec.
Exact Mass234.991516
PSA91.61000
LogP1.95380
Storage Conditions-20?C Freezer

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 1,2-Benzisoxazole-3-methanesulfonic acid sodium salt?

The CAS number of 1,2-Benzisoxazole-3-methanesulfonic acid sodium salt is 73101-64-1.

What are the molecular formula and molecular weight of 1,2-Benzisoxazole-3-methanesulfonic acid sodium salt?

1,2-Benzisoxazole-3-methanesulfonic acid sodium salt has molecular formula C8H6NNaO4S and molecular weight 235.192 g/mol.

What are the upstream and downstream products of 1,2-Benzisoxazole-3-methanesulfonic acid sodium salt?

For 1,2-Benzisoxazole-3-methanesulfonic acid sodium salt, Upstream Products: 3-(Bromomethyl)-1,2-benzoxazole, 2-(1,2-Benzisoxazol-3-yl)acetic acid, Zonisamide; Downstream Products: Benzo[d]isoxazol-3-ylmethanesulfonyl chloride, Zonisamide.

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

Last updated:

How to cite: Jingsj. "1,2-Benzisoxazole-3-methanesulfonic acid sodium salt (CAS 73101-64-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1460393-1 (accessed 2026-11-09).

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