L-HISTIDINE:HCL:H2O (ALPHA-15N+) is a free amino acid form of L-histidine presented as a hydrochloride hydrate, with the nitrogen atom enriched as 15N+ (alpha-labeled) to enable isotopic tracing. The molecule contains an amino functional group and a carboxyl functional group on the histidine backbone, while the imidazole side chain provides a basic, protonatable aromatic functionality that can participate in acid-base equilibria. As an isotopically labeled amino acid salt, it is used in stable-isotope labeling for analytical method development, quantitative mass spectrometry, and incorporation studies in peptide and protein chemistry where the labeled histidine residue is tracked by its 15N signature.
CAT No: L-Iso-0312
4. C-Peptide replacement therapy and sensory nerve function in type 1 diabetic neuropathy
5. SERS spectrum of the peptide thymosin‐β4 obtained with Ag nanorod substrate
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