L-Cysteine S-Sulfate Na
Optical Activity of L-Cysteine S-Sulfate Na As a derivative of L-cysteine, it retains the chiral center at the α-carbon atom (R configuration, corresponding to the L configuration of natural amino acids). It exhibitsspecific optical rotation, which is an important indicator for evaluating its chiral purity.The specific optical rotation parameter is[α]_D^{25}=+12° to +16°(measured in a 5% aqueous solution). The presence of D-isomers or racemates will reduce the absolute value of the specific optical rotation, which has a significant impact on its biological activity in the fields of medicine and nutrition.
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