Tetrahydrofolic acid is a cofactor in many reactions, especially in the metabolism of amino acids and nucleic acids. It acts as a donor of a group with one carbon atom, which is got by sequestering formaldehyde produced in other processes.

135-16-0

C19H23N7O6

445.44

folate-H4;四氢叶酸;5,6,7,8-tetrahydrofolic acid;Tetrahydropteroylglutamic acid;th-folate;Tetrahydrofolic acid

H2O:Insoluble
DMSO:Soluble
Powder: -20°C for 3 years
In solvent: -80°C for 2 years