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

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

Code: A1440
CAS: 73-32-5
Molecular Formula: C₆H₁₃NO₂
Molar mass: 131.18 g/mol

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Packs sizes (1)

	code	packaging size	price per unit	box price per unit
	Code & packaging		Price per piece
	code A1440,1000	packaging size 1 kg	price per unit single 641,70€	box price per unit

Technical data

Solubility:: 32 g/L (H₂O)
Physical Description:: Solid

Product Code:: A1440
Product Name:: L-Isoleucine (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; 4 %; 250 g/L HCl; calc. on dried subst.: +40.0° - +43.0°
Appearance of solution: passes test
Identity: passes test
Heavy metals (as Pb): max. 0.0015 %
Sulfated ash: max. 0.1 %
Loss on drying (3 h; 105°C): max. 0.3 %
α25°C/D; 4 %; 6 N HCl: +38.9° - +41.8°
pH (1 %; H₂O): 5.5 - 7.0
Ammonium: max. 0.02 %
Chloride: max. 0.02 %
Sulfate: max. 0.03 %
Fe: max. 0.001 %
Ninhydrin positive substances (HPLC)
Valine: max. 0.3 %
Leucine: max. 0.3 %
Any other ninhydrin-pos. Subst.: max. 0.2 %
Total impurities: max. 1.0 %
Ninhydrin positive substances (TLC)
Valine: max. 0.5 %
Total impurities: max. 2 %