(1-Oxyl-2,2,5,5-tetramethyl-∆3-pyrroline-3-methyl) Methanethiosulfonate-d15

• CAT Number: R000537
• CAS Number: 384342-57-8
• Molecular Formula: C10H18NO3S2
• Molecular Weight: 279.47
• Purity: ≥95%
• Synonyms: MTSL-d15; MTS-d15;?2,5-Dihydro-2,2,5,5-tetramethyl-3-[[(methylsulfonyl)thio]methyl]-1H-pyrrol-1-yloxy-d15
• Storage: -20°C
• IUPAC Name: 3-deuterio-4-[dideuterio(methylsulfonylsulfanyl)methyl]-1-$l^{1}
• InChI: InChI=1S/C10H18NO3S2/c1-9(2)6-8(7-15-16(5,13)14)10(3,4)11(9)12/h6H,7H2,1-5H3/i1D3,2D3,3D3,4D3,6D,7D2
• InChIKey: BLSCGBLQCTWVPO-QHFHZPJISA-N
• SMILES: CC1(C=C(C(N1[O])(C)C)CSS(=O)(=O)C)C

(1-Oxyl-2,2,5,5-tetramethyl-Δ³-pyrroline-3-methyl) Methanethiosulfonate-d15 is a deuterated nitroxide spin label, where 15 deuterium atoms replace hydrogen atoms. This compound is particularly useful in electron paramagnetic resonance (EPR) spectroscopy for labeling proteins, peptides, and other biomolecules. The deuterium labeling enhances the stability and reduces background noise in spectroscopic analysis, leading to more accurate and sensitive measurements. (1-Oxyl-2,2,5,5-tetramethyl-Δ³-pyrroline-3-methyl) Methanethiosulfonate-d15 is an essential tool in structural biology and biophysics research, enabling detailed investigations into molecular interactions and conformational changes.