VPH Primary Calibration Spike Rev 1.0 Back Catalog number: 92109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9904.18-100-ME 17a-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-91-0 Price on request C16986102 Sudan 2, certified, 0.25g Price on request 2671.5-50-IP Dibromoneopentylglycol, 50µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 3296-90-0 Price on request