6-Chloro-indolyl β-D-glucuronic acid, lithium salt

Product ID: M0254

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Chromogenic substrate for β-D-Glucuronidase(GUS).

Produces a salmon color for (GUS) gene detection in both plant cells and in various bacteria. Provided as the lithium salt for improved solubility and stability in aqueous media or buffers. Can be used with X-Gal (blue color development) for dual assay systems of both beta-glucuronidase and beta-galactosidase enzymes simultaneously.

Technical Data
SKU M0254
CAS Number 138182-19-1 (free acid)
Unit Size 10mg
Alternative Names Salmon-GlcU; Salmon-GlcA; Red-GlcU; Magenta GlcA
Detection Method Colorimetric
Molecular Formula C14H13ClLiNO7
Molecular Weight 349.65
Soluble In H2O, DMF
Storage Conditions Store at -20°C.

References and Citations


  • Roth, Jonathan N.; Ferguson, Wilfred J. (1993), "Method test media and chromogenic compounds for identifying and differentiating general coliforms and Escherichia (E.) coli bacteria"US 5210022 A
  • Bochner, Barry U.S. (1995), "Microbiological medium and method of assay" US 5464755
  • Bochner, Barry (1996) "Microbiological media for isolation and identification of enteric pathogens such as Escherichia coli and Salmonella".PCT Int. Appl. WO 9640861
  • Mauch-Mani B, J. Slusarenko AJ (1996) "Production of Salicylic Acid Precursors is a Major Function of Phenylalanine Ammonia-Lyase in the Resistance of Arabidopsis to Peronospora parasitica." The Plant Cell 8: 203-212.
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