L-Cystine is the oxidized dimeric form of the amino acid cysteine, appearing as a white solid with low water solubility. In proteins, it provides structural stability through disulfide bonds and participates in redox reactions.
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CAS 56-89-3
L-Cystine dihydrochloride
pharmaceutical intermediate
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(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
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