[Name of product]: L-HISTIDINE [Chemical Formula]: [Molecular Formula]: C6H9N3O2 [Molecular weight]: 155.16 [Character]: White crystals or crystalline powder, odorless and slightly bitterness; soluble in water, very slightly soluble in alcohol and insoluble in ether. [Quality Standard]: Pharma Grade adopted as USP32 Standard According to buyer's Requirements, Generally Item Pharma Grade (USP32) Appearance White crystalline powder Assay (on dry matter) 98.5%～101.5% Specific rotation +12.6°～+14.0° pH 7.0～8.5 Loss on drying 0.2% Max. Residue on ignition 0.4% Max. Chloride 0.05% Max. Sulfate 0.03% Max. Iron 0.003% Max. Heavy metals 0.0015% Max. Chromatographic purity Pass USP test [Usage]: L-HISTIDINE belongs to semi-essential amino acid, often used as nutritional supplement, being an important part of amino acid perfusion and forming compound amino acid; it is also used to treat gastric ulcer in pharmaceutical field. [Packing]: In kraft paper bags or in fiber drum of 25KG net each. [Transport and Storage]: Handle with cares to avoid damaging the package, protects them from sunshine or rain. Don’t transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.