LG20216 | L-Leucine (RFE, USP, BP, Ph. Eur.) L.G

CAS Number

61-90-5

Formula

C6H13NO2

Weight

M: 131,18 EC: 200-522-0 NC: 2922 49 95

Specifications
Assay (Perchl. Ac.) calc. a.d.s 98,5-101,0%
Identity according to Pharmacopoeias p/t.
T.L.C p/t.
Specific rotation [a]20/D c=4 (in HCl 6 mol/l)
(calc. a.d.s.) +14,9 to +16,5°
pH of 1% solution 5,5-7,0
MAX. IMPURITIES
Appearance of solution p/t.
Insoluble matter in HCl 1 mol/l p/t.
Loss on drying at 105°C 0,2 %
Residue on ignition (as SO4) 0,1 %
Residual solvents (Ph.Eur./USP) p/t.
Chloride (Cl) 0,02 %
Sulphate (SO4) 0,03 %
Ammonium (NH4) 0,02 %
Heavy metals (as Pb) 0,001 %
As 0,00015 %
Cu 0,001 %
Fe 0,001 %
Ni 0,001 %
Pb 0,001 %
 

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