USPUSP-NF
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5-Hydroxy-l-tryptophan
C11H12N2O3 220.23
 (S)-2-Amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid [4350-09-8]

DEFINITION

5-Hydroxy-l-tryptophan contains NLT 98.5% and NMT 101.5% of 5-hydroxy-l-tryptophan (C11H12N2O3), calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP 5-Hydroxy-l-tryptophan RS
USP l-Tryptophan RS
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