Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1719.15-500-IO 4-Methylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 832-64-4 Price on request 3524.12-100-CY Vinclozolin Price on request 71579 4-Nitrophenol-PFB derivative Price on request