L-Histidine base (Ph. Eur., USP) pure, pharma grade

Assay (titr., calc. on dried subst.): 98.5 - 101.0 %

Code: A1341
CAS: 71-00-1
Molecular Formula: C₆H₉N₃O₂
Molar mass: 155.16 g/mol

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Packs sizes (3)

code	packaging size	price per unit	box price per unit
Code & packaging		Price per piece
code A1341,0100	packaging size 100 g	Product active until stock lasts.
code A1341,1000	packaging size 1 kg	price per unit single 295,20€	box price per unit 250,92€x 6 units
code A1341,5000	packaging size 5 kg	price per unit single 1467,70€	box price per unit

Technical data

Solubility:: 42 g/L (H₂O)
Physical Description:: Solid

Product Code:: A1341
Product Name:: L-Histidine base (Ph. Eur., USP) pure, pharma grade
Headline Comment:: • All amino acids from AppliChem are of non-animal origin!
Specifications:: Assay (titr., calc. on dried subst.): 98.5 - 101.0 %
α20°C/D; 11 %, HCl 120 g/L; calc. on dried subst.: +11.4° - +12.4°
α25°C/D; 11 %, 6 M HCl; calc. on dried subst.: +12.6° - +14.0°
Appearance of solution: passes test
Identity: passes test
pH (2 %; H₂O; 25°C): 7.0 - 8.5
Sulfated ash: max. 0.1 %
Loss on drying (3 h; 105°C): max. 0.2 %
Heavy metals (as Pb): max. 0.0015 %
Ammonium: max. 0.02 %
Chloride: max. 0.02 %
Sulfate: max. 0.03 %
Fe: max. 0.001 %
Ninhydrin positive substances (HPLC)
Each individual impurity: max. 0.2 %
Total impurities: max. 0.5 %
Ninhydrin positive substances (TLC)
Each individual impurity: max. 0.5 %
Total impurities: max. 2 %