L-Histidine, also known as 2-Amino-3-(1H-imidazol-4-yl)propanoic acid, is an essential amino acid with an imidazole functional group. It is a precursor for carnosine biosynthesis and histamine.
|Identity A, B, C, D||Correlates to test|
|Appearance of solution||Correlates to test|
|Ninhydrin-positive substances||Correlates to test|
|Specific optical rotation (USP)||o||11.4 - 12.4|
|Heavy Metals (as Pb)||%||≤ 0.0010|
|Loss on drying||%||≤ 0.5|
|Sulphated ash||%||≤ 0.1|
|Assay||%||98.5 - 101.0|
Shelf Life/Retest Date: L-Histidine can be kept for at least 2 years if stored in a cool and dry place under recommended conditions.
Pack Sizes: 5 Kg