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High purity Cystine Disodium Salt Powder

Cystine Disodium Salt is used as a standard reference material in biochemical analysis due to its high purity and stable chemical properties:
  • It is employed in the calibration of amino acid analyzers and HPLC systems for the quantitative detection of cystine in biological samples (e.g., blood, urine, food).
  • It serves as a substrate in enzyme activity assays, such as measuring the activity of disulfide isomerases and cysteine proteases, by monitoring the cleavage or formation of disulfide bonds.

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