EPA Method 526 Standard Back Catalog number: 93199 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96449 Semi-Volatile Mix Price on request 0454.4-150-CYX10 GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. Price on request 2525.13-500MG Ibuprofen, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 15687-27-1 Price on request