Potassium (K) Back Catalog number: 59357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2726.16-K-IO 4-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83846-86-0 Price on request 678241 4-Epichlortetracycline hydrochloride, 5mg Price on request 98225 VOC Standard Price on request