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ethyl benzofuroxan-5-carboxylate

Also known as: 5-(ethoxycarbonyl)benzo[c][1,2,5]oxadiazole 1-oxide, 5-(ethoxycarbonyl)-2,1,3-benzoxadiazol-1-ium-1-olate, 5-ethoxycarbonylbenzofuroxan, 5(6)-ethoxycarbonyl-benzofuroxan, benzofuroxan-5-carboxylic acid ethyl ester, ethyl 1-oxido-2,1,3-benzoxadiazol-1-ium-5-carboxylate, 1-oxy-benzo[1,2,5]oxadiazole-5-carboxylic acid ethyl ester, 5-carbethoxybenzofuroxan, 2,1,3-benzoxadiazole-5-carboxylic acid, ethyl ester, 1-oxide, 5-benzofurazancarboxylic acid, ethyl ester, 1-oxide, buttpark 95\04-24, buttpark 954-24, MFCD00276595

ethyl benzofuroxan-5-carboxylate (CAS 17348-71-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O4 and a molecular weight of 208.17100 g/mol. Key properties include a melting point of 66-67ºC, a boiling point of 335.7ºC at 760mmHg, a density of 1.45g/cm3 and a flash point of 156.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17348-71-9
Jingsj CID
J-8686-2
Molecular Formula
C9H8N2O4
Molecular Weight
208.17100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point66-67ºC
Boiling Point335.7ºC at 760mmHg
Density1.45g/cm3
Flash Point156.8ºC
Exact Mass208.04800
PSA77.79000
LogP1.43300
Vapor Pressure0.000118mmHg at 25°C
Refractive Index1.621

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 ethyl benzofuroxan-5-carboxylate?

The CAS number of ethyl benzofuroxan-5-carboxylate is 17348-71-9.

What are the molecular formula and molecular weight of ethyl benzofuroxan-5-carboxylate?

ethyl benzofuroxan-5-carboxylate has molecular formula C9H8N2O4 and molecular weight 208.17100 g/mol.

What are the upstream and downstream products of ethyl benzofuroxan-5-carboxylate?

For ethyl benzofuroxan-5-carboxylate, Upstream Products: ethyl 4-amino-3-nitrobenzoate; Downstream Products: ethyl 2,1,3-benzoxadiazole-5-carboxylate.

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

Last updated:

How to cite: Jingsj. "ethyl benzofuroxan-5-carboxylate (CAS 17348-71-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8686-2 (accessed 2026-11-09).

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