Levulinic acid Back Catalog number: 72423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3210.18-K-IO 9-cis,12-cis,15-cis-Octadecatrienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 463-40-1 Price on request 2014.12-100-IO 2,3,3',4,4',5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 69782-90-7 Price on request 54595 Phosphorus ASTM D-3231 Price on request