Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10520.10-10MG (±)-Nicotine-2,4,5,6-d4 (pyridine-d4),neat,neat,10mg, Price on request 3480.7-100-CY Phorate Price on request 1087.18-100-TX5 Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-53-2 Price on request