MA - VPH Surrogate Spike Back Catalog number: 92368 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82418 2-Chloroethyl vinyl ether Price on request 0690.29-100-IO 28-Norlupane (17ß(H)/17 alpha(H)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 134501-93-2 / 134623-57-7 Price on request 50007 Bromide (Br-) Price on request