辅羧酶脱羧辅酶
Cocarboxylase tetrahydrate
Synonyms Thiaminium diphosphoric acid ester tetrahydrate
Formula Hill C12H18N4O7P2S * 4 H2O
At a glance
Assay (HPLC, calc.on anhydrous substance) 96.0 - 101.0 %
Identity (IR-spectrum) passes test
pH-value (10 %; water) 2.4 - 3.2
Chloride (Cl) ? 0.01 %
Free phosphate (PO4) ? 1.0 %
Heavy metals (as Pb) ? 0.001 %
As (Arsenic) ? 0.0003 %
Thiaminmonophosphoricacidester (HPLC) ? 1.5 %
Thiamin (HPLC) ? 0.1 %
Related substances (HPLC) ? 1.5 %
Water 14.0 - 16.5 %
Endotoxins < 12 I.U./g
Residual solvents (Ph. Eur./USP/ICH) class 3 ? 0.2 %
Other residual solvents (Ph. Eur./USP/ICH) excluded by manufacturing process
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