2,4,5-TP acid (Silvex) Back Catalog number: 79539 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682113 n-Tridecane, 1ml Price on request 679598 Promethazine hydrochloride, 250mg Price on request 0763.16-500-IO 1,8-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7372-87-4 Price on request