Levomefolate Calcium L-5-Methyltetrahydrofolate, Levomefolate (calcium salt), 5-MTHF, L-5-MTHF CAS 151533-22-1

  • CasNo151533-22-1
  • Molecular Formula C20H23CaN7O6
  • Purity99% min
  • AppearanceWhite Powder

Product Details

Quick Details

  • CasNo: 151533-22-1
  • Molecular Formula: C20H23CaN7O6
  • Appearance: White Powder
  • Delivery Time: 3
  • Throughput: 10000|Kilogram|Day
  • Purity: 99% min

Product name: L-5-Methyltetrahydrofolate calcium 

Synonym(s) :

L-5-Methyltetrahydrofolic acid, calcium salt

L-Methyltetrahydrofolate, calcium salt

L-Methylfolate, calcium 


Other name:CALCIUML-5-METHYLTETRAHYDROFOLATE; L-5-MTHF-Ca ; (6S)-N-[4-(2-Amino-1,4,5,6,7,8,-hexahydro-5-methyl-4-oxo-6-pteridinylmethylamino)benzoyl]-L-glutaminsure,Calciumsalz (1:1); L-5Methyltetrahydrofolic acid, 

calcium salt; L-Methyltetrahydrofolate,calcium salt; L-Methylfolate, calcium; L-5-MTHF-Ca; Calcium levomefolate


Appearance:Off-White to Pale Yellow Solid               



Melting Point: >300°C    




1. mainly for folic acid antagonists (such as methotrexate, pyrimethamine, benzyl cefalexin and trimethoprim) antidote, it's usually used for prevention of methotrexate dose or overdose treatment caused severe toxic effects.

2. folic acid treatment of the following diseases, such as inflammatory diarrhea and protein-energy malnutrition (poor nutrition), pregnancy or infancy megaloblastic anemia caused by poor.

3. as adjuvant therapy for colon cancer, rectal cancer.

4. combined with 5-FU and treatment of digestive tract tumors or other 5-FU-sensitive tumors. High-dose CF used in conjunction with 5-FU (LF), the basic programme is currently the treatment of colon and rectal cancer.

5. for children with leukemia, lymphoma, and osteosarcoma, such as high dose MTX treatment when rescued.  

Product Application

The calcium salt of L-5-methyltetrahydrofolic acid which belongs to the group of folate vitamins (Vitamin B9, Folacin). 


It is a coenzymated form of folic acid and a more bioavailable alternative in dietary supplements.