CAS Number
56-84-8
Formula
C4H7NO4
Weight
M: 133,10 EC: 200-291-6 NC: 2922 49 95
| Assay (Acidim.) calc. a.d.s | 98,5-101,5 % |
| Identity according to Pharmacopoeias | p/t. |
| T.L.C | p/t. |
| Specific rotation [a]20/D c=8 (in HCl 7 mol/l) (calc. a.d.s.) | +24,0 to +26,0° |
| MAX. IMPURITIES | |
| Appearance of solution | p/t. |
| Insoluble matter in HCl 1 mol/l | p/t. |
| Loss on drying at 105°C | 0,5 % |
| 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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