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Specifications

Calcium Folinate, USP31
Synonym:Leucovorin  Calcium Salt;
CAS No.:1492-18-8  (Anhydrous)
Molecular  formula:C20H21CaN7O7.xH2OMolecular weight:511.50 (anhydrous basis)
Description:Yellow or  offwhite crystalline or amorphous powder
Identification:Positive by IR
Solubility:Very soluble in  water, practically insoluble in alcohol
Water:NMT 17.0%
Heavy metals:NMT 0.005%
Assay (on anhydrous basis):95.0% ~ 105.0%  calculated asC20H21CaN7O7