Ponceau 4R (E 124), 1g Back Catalog number: IBPO004 Availability: In the manufacturer's stock Price on request - + Recommended 1552.22-K-IOX10 n-Docosane-d46, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 260411-88-9 Price on request 79069 EPA Method 8330 Analyte Price on request 1022.24-K-IOX5 n-Tetracosane-d50, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 16416-32-3 Price on request