Levulinic acid Back Catalog number: 72423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3306.19-K-IO Methyl octadecadienoate (10tr,12c) , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21870-97-3 Price on request 2623.33-10UG 17 alpha(H),21 alpha(H)-(22RS)-Trishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 105498-26-8 Price on request 11993.13-K-ME Articaine ,1000 µg/mL,MeOH,1mL, Price on request