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US 2022/0016121 A1Published application
Crystalline sodium salt of 5-methyl-(6s)-tetrahydrolic acid
AssigneeMerck Patent GmbH
InventorsRudolf MOSER, Viola GROEHN, Fritz BLATTER, Martin SZELAGIEWICZ, Ruth BOEHNI STAMM, Markus RUETTIMANN, Giuseppe LAPADULA
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Abstract
The present invention is directed to a crystalline sodium salt of 5-methyl-(6S)-tetrahydrofolic acid wherein the molar ratio of 5-methyl-(6S)-tetrahydrofolic acid to sodium is from 1:0.5 to 1:1.5 (in mol/mol) and/or hydrates and/or solvates thereof, as well as, a processes of obtaining the same.
Claims21
A crystalline sodium salt of 5-methyl-(6S)-tetrahydrofolic acid having a molar ratio of 5-methyl-(6S)-tetrahydrofolic acid to sodium from 1:0.5 to 1:1.5 or a hydrate or solvate thereof.
4-7. (canceled)
Dependencies are inferred from the claim text.