Reversed Phase Test Mix #1 Back Catalog number: 40102 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59875 Cesium (Cs) Price on request 71850 2-Methylthiophene Price on request 0979.21-100-IO d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-77-7 Price on request