Potassium (K) Back Catalog number: 57219 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10864.10-100-ME Serotonin-13C2,15N hydrochloride (ethylamine-13C2,15N),100 µg base/mL,MeOH,1mL Price on request 680129 Fenthion-oxon-sulfoxide, 50mg Price on request 682498 3-Methoxypropylamine, 1000mg Price on request