... -L-phenylalanine methyl ester;Equal;Nutrasweet 2,cas#22839-47-0 3,Excipient 4,Food additives, nutritive sweeteners of high sweetnessAPIs cas#22839 ... Loss on drying: 4.50% max Residue on ignition: 0.20% max L-a-Aspartyl-L-Phenylalanine: 0.25% max PH: 4.5-6.0L ... -Phenylalanine: 0.50% max Heavy metals ...