Phosphorus (P) Back Catalog number: 57015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2815.11-100-IO 3-Methyl-2-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17324-04-8 Price on request 50608 Chloride 0.50 µg/mL (Cl-) Price on request 679945 Verapamil hydrochloride, 100mg Price on request