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Tryptophan
C11H12N2O2 204.23
 l-Tryptophan [73-22-3]

DEFINITION

Tryptophan contains NLT 98.5% and NMT 101.5% of C11H12N2O2, as l-tryptophan, calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Tryptophan Related Compound A RS
USP Tryptophan Related Compound B RS
USP l-Tryptophan RS
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