For further processing only. Others Chlorophenolred-beta-D-galactopyranoside CPRG Chlorophenolred-β-D-galactopyranoside (CPRG) 3.7.3.3.4.2 sodium salt, powder Chlorophenolred-beta-D-galactopyranoside (CPRG) 07613336131107 custom fill CustomBiotech product. Please contact your local representative. Will be supplied as "Chlorophenolred-beta;-D-galactopyranoside (CPRG)".Unit of measure is "g". Chlorophenolred-ss-D-galactopyranoside 11379119103 Not Available Reagents, kits en Use CRPG as a substrate for β-Galactosidase. en Identity (HPLC): corresponds to specificationAppearance (orange-red powder): correspondsSolution (c = 20 mg/ml water; clear, red): correspondsA578 (c=5 mmol/L water) : ≤0.200A650 (c=5 mmol/L water; turbidity): ≤0.030Purity (HPLC, 265 nm): ≥97.5 area%Purity (HPLC, 220 nm): ≥88 area%Carbinol (HPLC): ≤10 area%Total (CPRG+Carbinol, HPLC): ≥98 area%CPRG (A405): 80-110%Na (flame photometric): 3-4%Water (K. Fischer): ≤15%Chlorophenolred, free: ≤0.1%Galactose, free (enzymatic): ≤5.0%Reaction rate (β-galactosidase) of sample/CPRG standard: 80-120%Reaction rate (β-galactosidase) of sample/2-NP-galactoside: ≥8.5%Stability: At -15 to -25°C within specification range for 36 months. Store dry. Keep tightly closed.