ISTD/Surrogate Standard Back Catalog number: 92572 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70145 1,3-Dichloropropane Price on request G836000 Guanin, 25g Price on request 3144.19-K-IO Nonadecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 646-30-0 Price on request