Levomefolic Acid-13C-D3 the 13C and deuterated compound of Levomefolic Acid (T7094). Levomefolic Acid has a CAS number of 31690-09-2. Levomefolinic acid is a natural, active form of folic acid used at the cellular level for DNA reproduction, the cysteine cycle and the regulation of homocysteine among other functions. Levomefolinic acid is used as a treatment and to prevent Folate Deficiency