N-Phenethyl-4-Piperidinon (KKW) | CAS 39742-60-4 Intermediates of Fentanyl Opioids 1-Phenethyl-4-Piperidone N-Phenethyl-4-piperidinone (KKW) Other Chemical Name:N-(2-PHENETHYL)-4-PIPERIDONE, 1-Phenethyl-4-piperidone, 1-(2-PHENETHYL)-4- PIPERIDONE CAS: 39742-60-4 MF: C13H17NO MW: 203.28 EINECS: 254-613-5 Schmelzpunkt : 57-60 °C Storage temp: Store below +30°C Chemical Properties: YELLOW-BROWN CRYSTALLINE POWDER Purity: 99.4% Verwenden: Pharmazeutische Zwischenprodukte, An intermediate of Fentany and Fenspiride. N-Phenethyl-4-piperidinone (KKW) is a derivative of 4-piperidinone with the …