USPUSP-NF
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l-Tryptophan
l-α-Amino-3-indolepropionic Acid C11H12N2O2 Formula wt 204.22
 [73-22-3] 8DUH1N11BX tryptophan

DESCRIPTION

l-Tryptophan occurs as white to yellow-white crystals, or as a crystalline powder. One g dissolves in about 100 mL of water. It is soluble in hot alcohol, in dilute hydrochloric acid, and in alkali hydroxide solutions.

USP REFERENCE STANDARDS FOR PURCHASE

USP Tryptophan Related Compound B RS
USP l-Tryptophan RS
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