Surrogate Standard Back Catalog number: 92703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92810 Gas Surrogate Price on request 9077.31-10UG 2 alpha+2ß,17 alpha(H),21ß(H)-2-Methylhopane (ca 1:3), neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 126208-29-7/138057-81-5 Price on request 3453.15-100 Metolachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 51218-45-2 Price on request