
Leucovorin calcium | C20H23CaN7O7+2 - PubChem
Bulk: Calcium leucovorin was stable in bulk form after 4 weeks storage at 60 C (HPLC). Solution: Leucovorin in 0.1 N NaOH (pH 13) and in deionized water (pH6) was stable at room temperature under laboratory illumination for at least 24 hours (HPLC).