Wavelength Calibration Solution (3B) Back Catalog number: 59030 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2009.12-100-IO 2,3,4,4',5-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-37-0 Price on request 73477 4-Chlorobenzotrichloride Price on request 96334 4,4’-Methoxychlor Price on request