Arachidic acid-d39

• CAT Number: I044757
• CAS Number: 39756-32-6
• Molecular Formula: C20HD39O2
• Molecular Weight: 351.77
• Purity: ≥95%
• Synonyms: 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,20-nonatriacontadeuterioicosanoic acid
• InChI: InChI=1S/C20H40O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-19H2,1H3,(H,21,22)/i1D3,2D2,3D2,4D2,5D2,6D2,7D2,8D2,9D2,10D2,11D2,12D2,13D2,14D2,15D2,16D2,17D2,18D2,19D2
• InChIKey: VKOBVWXKNCXXDE-BKDZISOFSA-N
• SMILES: [2H]C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C([2H])([2H])C(=O)O

Arachidic acid-d₃₉（Cat No.:I044757）is a fully deuterated form of arachidic acid (C20:0), a long-chain saturated fatty acid, in which 39 hydrogen atoms are replaced with deuterium. This stable isotope-labeled compound is widely used as an internal standard in lipidomics, mass spectrometry, and metabolic tracing studies. Its deuterium labeling enables precise quantification and differentiation from endogenous fatty acids in complex biological samples. Arachidic acid-d₃₉ is valuable in research on lipid metabolism, fatty acid absorption, and nutritional profiling, offering accurate insights into long-chain saturated fatty acid dynamics and turnover.