Base/Neutrals Surrogate Standard Back Catalog number: 21006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1087.18-K-TX10 Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-53-2 Price on request 71315 Di(propylene glycol) Price on request 12130.12-100-AC Carbetamide-d5 (phenyl-d5),100 µg/mL,acetone,1mL, Price on request