Exact Mass: 427.3032634
Exact Mass Matches: 427.3032634
Found 3 metabolites which its exact mass value is equals to given mass value 427.3032634,
within given mass tolerance error 0.001 dalton. Try search metabolite list with more accurate mass tolerance error
0.0002 dalton.
[4-[[(2S)-1-[[(2S)-2-acetamido-4-methylpentanoyl]amino]-4-methyl-1-oxopentan-2-yl]amino]-5-oxopentyl]-(diaminomethylidene)azanium
[4-[[(2S)-1-[[(2S)-2-acetamido-4-methylpentanoyl]amino]-4-methyl-1-oxopentan-2-yl]amino]-5-oxopentyl]-(diaminomethylidene)azanium
leupeptin(1+)
leupeptin(1+)
A guanidinium ion that is the conjugate acid of leupeptin, arising from protonation of the guanidino group; major species at pH 7.3.