Primary Freon Standard Back Catalog number: 95241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1216.17-200-T 9-Methyl-11(H)-benzo[a]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 9058.7-K-IP 4,5,6-Trichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2668-24-8 Price on request 59287 Anions Mix Price on request