USPUSP-NF
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l-Histidine
l-α-Amino-4(or 5)-imidazolepropionic Acid C6H9N3O2 Formula wt 155.16
 [71-00-1] 4QD397987E histidine

DESCRIPTION

l-Histidine occurs as white crystals or as a crystalline powder. It is soluble in water, very slightly soluble in alcohol, and insoluble in ether. It melts with decomposition between about 277° and 288°.

USP REFERENCE STANDARDS FOR PURCHASE

USP l-Histidine RS
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