tryptophan
Tryptophan is used in the biosynthesis of proteins. It is a precursor of serotonin. It can be a precursor to niacin, albeit inefficiently, in mammals.Reference standards of Tryptophan API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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[pname] => 5-Hydroxy-L-tryptophan (1329913)
[catalogue_number] => PA USP1329913
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5-Hydroxy-L-tryptophan (1329913)
stdClass Object
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[pname] => L-Tryptophan (1700501)
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stdClass Object
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[pname] => Tryptophan Related Compound A (1,1'-ethylidene-bis(L-tryptophan)) (1700512)
[catalogue_number] => PA USP1700512
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Tryptophan Related Compound A (1,1'-ethylidene-bis(L-tryptophan)) (1700512)
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[pname] => Tryptophan Related Compound B (N-Acetyl-L-Tryptophan) (1700523)
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Tryptophan Related Compound B (N-Acetyl-L-Tryptophan) (1700523)