Stable Isotopes for MS
L-Histidine-13C6, 15N3, α,β,β,2,5-d5
CCDN1200P01
2 - 4 weeks• 100 mg• 99% 13C, 98% D, 98% 15N
• 95% CP
L-Histidine-13C6,β3-D,15N3
CCDN4010P
2 - 4 weeks• Original SAIL amino acid
• Preservation of through-bond connectivity
• Reduction of spin diffusion
• Removal of 2JHH couplings
• Reduction of number of protons 50%
