International USP 467 Back Catalog number: 82455 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1535.18-100-TX5 o-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 5142-76-6 Price on request 92809 EPA Method 8240A Mix #3 Price on request 79381 1-Methyl-2-pyrrolidinone Price on request