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D-Tryptophan is an unnatural isomer of tryptophan.
T 2480 (OTTO) D-Tryptophan, 99% - Cas 153-94-6 - used in structural or enzyme proteins. T 2480 (OTTO) D-Tryptophan, 99% - Cas 153-94-6 - used for human embryonic kidney cell culture.