L-HISTIDINE:HCL:H2O (<5% D) (13C6,15N3) is an isotopically labeled, free amino acid salt consisting of L-histidine in the presence of hydrochloric acid and one associated water molecule, with the histidine side chain containing an imidazole functional group. The molecule bears an amino group and a carboxyl group on the histidine backbone while the imidazole ring provides basic/acidic character that can participate in coordination and acid-base equilibria, and the label indicates six 13C atoms and three 15N atoms distributed within the histidine framework. As an isotopically enriched internal standard or tracer-compatible reagent, this labeled histidine hydrochloride hydrate is used in analytical method development and quantitative studies such as mass spectrometry-based amino acid profiling, isotopic tracing, and preparation of labeled peptide or derivative building blocks where the histidine side-chain functionality must be retained.
CAT No: L-Iso-0308
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3. The spatiotemporal control of signalling and trafficking of the GLP-1R
4. An Open-label, Single-center, Safety and Efficacy Study of Eyelash Polygrowth Factor Serum
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