ISTD/Surrogate Standard Back Catalog number: 92572 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1109.13-K-T 2-Nitrofluorene-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 128008-87-7 Price on request 2220.12-100-IO 3,3',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 32774-16-6 Price on request 9443.12-100-CY Bolstar Price on request