Ergothioneine-d9

• CAT Number: I044960
• Molecular Formula: C9H6D9N3O2S
• Molecular Weight: 238.35
• Purity: ≥95%
• Synonyms: 3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)-2-[tris(trideuteriomethyl)azaniumyl]propanoate
• InChI: InChI=1S/C9H15N3O2S/c1-12(2,3)7(8(13)14)4-6-5-10-9(15)11-6/h5,7H,4H2,1-3H3,(H2-,10,11,13,14,15)/i1D3,2D3,3D3
• InChIKey: SSISHJJTAXXQAX-GQALSZNTSA-N
• SMILES: [2H]C([2H])([2H])[N+](C(CC1=CNC(=S)N1)C(=O)[O-])(C([2H])([2H])[2H])C([2H])([2H])[2H]

Ergothioneine-d9（Cat No.:I044960）is a deuterium-labeled analog of ergothioneine, a naturally occurring thiol-containing amino acid derived from histidine and found in mushrooms, legumes, and animal tissues. In this labeled form, nine hydrogen atoms are replaced with deuterium, making it an ideal internal standard for mass spectrometry and metabolic studies. Ergothioneine-d9 retains the parent compound’s potent antioxidant and cytoprotective properties, including the ability to scavenge reactive oxygen species and reduce cellular oxidative stress. It is widely used in research on aging, inflammation, and chronic disease, aiding in accurate quantification and pharmacokinetic profiling.