L-Histidine, 25 g
Molar mass (M) 155,16 g/mol
Density (D) 1,449 g/cm³
Melting point (mp) 287 °C
CAS No. [71-00-1]
excl. VAT. | 25 g per Pack Qty.
Art. No. 3852.1
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L-Histidine ≥98,5 %, Ph. Eur., for biochemistry
|Checked according to pharmacopoeia||Ph. Eur.|
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Our amino acids are of the highest purity and suitable for a broad range of applications in biochemistry. Besides the natural occurring L-amino acids, we offer a selection of unnatural D-amino acids and DL-amino acids.
|Appearance||white cryst. powder|
|Assay (dry substance)||98,5-101,0 %|
|Appearance of solution||clear, colourless|
|Specific rotation [α]a||+11,4° bis +12,4°|
|pH value (1 g, 50 ml H2O)||7,0- 8,5|
|Ammonium (NH4)||≤0,02 %|
|Chloride (Cl)||≤0,02 %|
|Sulphate (SO4)||≤0,02 %|
|Heavy metals (as Pb)||≤0,001%|
|Foreign amino acids||complies|
|Loss on drying||≤0,2 %|
|Sulphated ash||≤0,1 %|