EPA Method 642 - Analytes Back Catalog number: 40057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C176590 Carbofuran, 10g Price on request 3237.21-K-IO 12-cis-Heneicosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3515-84-2 Price on request 1570.34-250MG Pseudomorphine (free base), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 125-24-6 Price on request