CLP Semi-Volatiles Toxic Substances #1 Back Catalog number: 10004R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 40014 EPA Method 609 - Analytes Price on request 1240.7-K-ME n-Heptane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 142-82-5 Price on request 1076.15-K-IO n-Nonylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1081-77-2 Price on request