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Molecular formula : CAS :
nature : as an amino acid. Small plate crystal (recrystallization from ethanol), and water-soluble. L-- (l-), contain 228 points to 230 ° C Polarimetry [alpha] D-28.18 ° (water). The ammonia will cystine, with sodium as the reductant for reinstatement after dibromoethane plus; Homocysteine or mercuric chloride (II) salt with iodine from the reaction of ethane. Derivatives : L-sulfoxide, the melting point of 161 to 162 ° C (decomposition), polarimetry 5.0 ° (water).
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