Chlorophenol Red-b-D-Galactopyranoside (CRPG)

Size

£192.00

SKU:: 257632
Molecular Weight:: 585.41
Purity:: ≥96% (HPLC)
Storage Conditions:: -20°C
Supplier:: United States Biological
CAS Number:: 99792-79-7
Format:: Supplied as an orange to deep red powder.
Extra Details:: CPRG is a long-wavelength dye which is commonly used for colorimetric assays. The reaction product has a dark red color and is soluble in water. It can be evaluated photometrically at 574 or 578nm. Chlorophenol Red-β-D-galactopyranoside measures β-galactosidase expression levels in transfected cells. Chlorophenol Red-β-D-galactopyranoside is a substrate of β-Galactosidase. Synonyms: CRPG; 2-Chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxido-3H-2,1-benzoxathiol-3-yl]phenyl β-D-galactopyranoside; _x000B_3H-2,1-Benzoxathiole β-D-galactopyranoside deriv.; 2-Chloro-4-[3-(3-chloro-4-hydroxyphenyl)-3H-2,1-benzoxathiol-3-yl]phenyl β-D-galactopyranoside S,S-dioxide CAS Number: 99792-79-7 Molecular Formula: C₂₅H₂₂Cl₂O₁₀S Molecular Weight: 585.41 Appearance: Orange to deep red powder. Purity: ≥96% (HPLC) Solubility: 20mg/ml in H2O, Clear slightly orange to deep red solution Method for Determining Identity: IR Water (Karl Fischer): As reported Storage and Stability: Store at -20°C. Stable for 6 months after receipt. Protect from light and moisture.