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Product Name |
4-[(2-Ethoxy-3,4-dioxocyclobut-1-enyl)amino]benzoic acid |
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| Product Specifications | |
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| | catalogue no. | SQ006 | |
| | chemical name | 4-[(2-Ethoxy-3,4-dioxocyclobut-1-enyl)amino]benzoic acid | |
| | IUPAC name | 4-[(2-ethoxy-3,4-dioxocyclobut-1-en-1-yl)amino]benzoic
acid | |
| | molecular formula | C13H11NO5 | |
| | molecular weight [g/mol] | 261.23 |
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| | CAS | 175204-30-5 | |
| | purity | 97%+ | |
| | category | Squaric Acid Derivatives | |
| | melting point | 258-261oC | |
| | boiling point | n.d. | |
| | appearance | colourless solid | |
| | solubility | MeOH | |
| | shipping temperature | ambient | |
| | long term storage | 4oC | |
| | Spectra | 1-H NMR | |
| | NMR analytics | 500 MHz (d6-DMSO) | |
| | special comments | sensitive to hydrolysis | |
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| | Safety Information | |
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| | R-sentence | R: 36/37/38 | |
| | S-sentence | S: 26, 37/39 | |
| | hazardous substance symbol | Xn | |
| | safety info | Caution, substance not fully tested. Potential health effects. | |
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| | References |
1. Tietze, L.F., Arlt, M., Beller, M., Glüsenkamp, K.-H., Jähde, E., Rajewsky, M.F.: Squaric acid diethylester: a new coupling reagent for the formation of drug biopolymer conjugates. Synthesis of squaric acid ester amides and diamide. Chem. Ber. 124, 1215-1221, 1991.
2. Glüsenkamp, K.-H., Drosdziok, W., Eberle, G., Jähde, E., Rajewsky, M.F.: Squaric acid diethylester: A simple and convenient coupling reagent. Z. Naturforsch. 46c, 498-501, 1991 | |
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| | Patents |
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| United States Patent: Method for Immobilizing biomolecules and affinity ligands on polymer carriers. Karl-Heinz Glüsenkamp et. Al., US 6,602,692 B1, Aug. 2003 | |
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| | Application Notes |
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| | | reactive intermediate | |
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| | Ordering Information |
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| Cat. No. |
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Product Name |
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Quantity |
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Price |
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| SQ006.1 |
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4-[(2-Ethoxy-3,4-dioxocyclobut-1-enyl)amino]benzoic acid |
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0.25 g |
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59,- € |
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| SQ006.2 |
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4-[(2-Ethoxy-3,4-dioxocyclobut-1-enyl)amino]benzoic acid |
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1 g |
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189,- € |
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