pH 6.86 Standard @ 25°C Back Catalog number: 50772 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 41001 EPA Method 508/608 Pesticide Standard Price on request 0979.21-100-IO d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-77-7 Price on request 12012.10-25MG Serotonin hydrochloride,neat,neat,25mg, Price on request