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N-(4-Hydroxyphenyl)acetamide sulfate-d3 sodium is the deuterium-labeled (d3) sodium sulfate salt of N-(4-hydroxyphenyl)acetamide (acetaminophen), provided as a stable isotope reference standard for analytical and quantitative applications. Its isotopic labeling and salt form make it suitable for use as an internal standard in mass spectrometry and other assays requiring accurate quantitation. Molecular formula C8H5D3NNaO5S; molecular weight 256.23; CAS 2733160-80-8.
Deuterium-labeled (d3) for isotopic tracing and quantitation.
Sodium sulfate salt form for handling and stability.
Suitable as an internal standard in mass spectrometry and LC-MS assays.
Supplied in small reference sizes for analytical use.
Storage recommendations: 4°C sealed; in solvent, -80°C (6 months) or -20°C (1 month).
Chemical purity reported as min 97% with deuterium enrichment ~98 atom % D.
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