Semi-Volatile Standard Back Catalog number: 92997 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12156.9-100-ME Acetylsalicylic acid-d4 (ring-d4),100 µg/mL,MeOH,1mL, Price on request 1551.21-K-IO n-Heneicosane-d44, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 39756-37-1 Price on request 79216 1,4-Dioxane Price on request