Calcium l-5-Methyltetrahydrofolate
C20H23CaN7O6·xH2O
C20H23CaN7O6 (anhydrous)
497.52
N-[4-[[(2-Amino-1,4,5,6,7,8-hexahydro-5-methyl-4-oxo-(6S)-pteridinyl)methyl]amino]benzoyl]-l-glutamic acid, calcium salt (1:1);
N-{4-[[((6S)-2-Amino-1,4,5,6,7,8-hexahydro-5-methyl-4-oxo-6-pteridinyl)methyl]amino]-benzoyl}-l-glutamic acid, calcium salt (1:1) [151533-22-1]
N-[4-[[(2-Amino-1,4,5,6,7,8-hexahydro-5-methyl-4-oxo-(6S)-pteridinyl)methyl]amino]benzoyl]-l-glutamic acid, calcium salt (1:1);
N-{4-[[((6S)-2-Amino-1,4,5,6,7,8-hexahydro-5-methyl-4-oxo-6-pteridinyl)methyl]amino]-benzoyl}-l-glutamic acid, calcium salt (1:1) [151533-22-1]
DEFINITION
Calcium l-5-Methyltetrahydrofolate contains NLT 95.0% and NMT 102.0% of calcium 5-methyltetrahydrofolate (C20H23CaN7O6), the sum of the l- and d-diastereoisomers, calculated on the anhydrous and solvent-free basis, of which NMT 1.0% corresponds to calcium d-5-methyltetrahydrofolate.
USP REFERENCE STANDARDS FOR PURCHASE
USP 4-Aminobenzoylglutamic Acid RSUSP Calcium d,l-5-Methyltetrahydrofolate RS
USP Folic Acid RS