Chlorophenol Red-beta-D-galactopyranoside, >=90% (HPLC)

Chlorophenol Red-beta-D-galactopyranoside, >=90% (HPLC)

Application

Chlorophenol Red-?-D-galactopyranoside has been used as a substrate for ?-galactosidase (?-gal):in paper-based cell-free protein expression system for target RNA detectionin colorimetric detection of multiple clinically relevant mutations using a lacZ output genein colorimetric assay for bacteria quantification

General description

Chlorophenol red-?-D-galactopyranoside (CPRG) is a long-wavelength yellow dye commonly used for colorimetric assays. It serves as a substrate for ?-galactosidase (?-gal) which hydrolyzes CPRG to form chlorophenol red (purple colored). This product is quantified by measuring its absorbance at 570 nm. CPRG is used to identify fecal coliform bacteria. It is about 10 times more sensitive than other chromogenic agents such as o-nitrophenyl-?-galactoside (ONPG). CPRG also has a high rapid turnover.

Other Notes

Measures the expression levels of ?-galactosidase in transfected cells. The lacZ gene is a popular reporter gene in transfection reactions because its product, ?-galactosidase, is a very stable enzyme.

Packaging

25, 100 mg in poly bottle

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Code Description InChI key InChI Manufacturer Storage Temp. Solubility Form Assay Price Quantity
3577962 Chlorophenol Red-beta-D-galactopyranoside, >=90% (HPLC) YOUWVNCQJOMMEU-AETRGLENSA-N 1S/C25H22Cl2O10S/c26-15-9-12(5-7-17(15)29)21(14-3-1-2-4-20(14)38(33,34)35)13-6-8-18(16(27)10-13)36-25-24(32)23(31)22(30)19(11-28)37-25/h1-10,19,22-25,28,30-32H SIGMA-ALDRICH −20°C water: 20 mg/mL, clear, orange to very deep red powder or crystals ≥90% (HPLC)
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3577963 Chlorophenol Red-beta-D-galactopyranoside, >=90% (HPLC) YOUWVNCQJOMMEU-AETRGLENSA-N 1S/C25H22Cl2O10S/c26-15-9-12(5-7-17(15)29)21(14-3-1-2-4-20(14)38(33,34)35)13-6-8-18(16(27)10-13)36-25-24(32)23(31)22(30)19(11-28)37-25/h1-10,19,22-25,28,30-32H SIGMA-ALDRICH −20°C water: 20 mg/mL, clear, orange to very deep red powder or crystals ≥90% (HPLC)
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