L-Serine Back Catalog number: 72249 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4205-ASS-10IO Dialy Quality Control Standard (without Internal Standard) 2 Analytes, each Vol.% as listed in isooctane; units: 1x10mL, 5x10mL. Name Vol.% Benzene 0.67 Toluene 5.0 Isooctane 94.33 Price on request 72007 Whiskey lactone Price on request 11668.12-100-IO 3,4-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL Price on request