Aroclor 1254 Back Catalog number: 70020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2106.14-100-ME 1,5-Bis-(4-chlorophenyl)-biguanide HCl, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 13590-98-2 Price on request 95551 2-Naphthylamine Price on request 679447 Heptachlor, 100 µg/ml, Methanol, 1ml Price on request