Date published: 2025-9-28

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Folinic Acid (CAS 58-05-9)

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Alternate Names:
Leucovorin
CAS Number:
58-05-9
Molecular Weight:
473.44
Molecular Formula:
C20H23N7O7
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Folinic acid, also known as leucovorin, is a form of folate that can be used in biochemical assays as a cofactor in various enzymatic reactions. In research applications, it is often utilized in studies examining the folate cycle and its role in cellular metabolism. Folinic acid is also used in analytical chemistry to create calibration curves for the quantification of folate levels in nutritional studies. It serves as a reference compound in the development of assays to measure folate in biological samples. In molecular biology, folinic acid may be used to modulate the synthesis of nucleic acids.


Folinic Acid (CAS 58-05-9) References

  1. Folinic acid supplementation in higher doses is associated with graft rejection in pediatric hematopoietic stem cell transplantation.  |  Lindqvist, H., et al. 2013. Biol Blood Marrow Transplant. 19: 325-8. PMID: 23200704
  2. Folinic acid treatment for schizophrenia associated with folate receptor autoantibodies.  |  Ramaekers, VT., et al. 2014. Mol Genet Metab. 113: 307-14. PMID: 25456743
  3. Does folinic acid ameliorates retinoic acid induced teratogenicity in chick embryo?  |  Haque, A. and Khan, MY. 2016. J Pak Med Assoc. 66: 302-5. PMID: 26968281
  4. Folinic Acid Increases Protein Arginine Methylation in Human Endothelial Cells.  |  Esse, R., et al. 2018. Nutrients. 10: PMID: 29587354
  5. Effects of leucovorin (folinic acid) in the methotrexate-treated rat brain.  |  Ogushi, N., et al. 2018. J Vet Med Sci. 80: 760-765. PMID: 29607891
  6. Topical folinic acid enhances wound healing in rat model.  |  Duman, N., et al. 2018. Adv Med Sci. 63: 347-352. PMID: 30092503
  7. Nano Codelivery of Oxaliplatin and Folinic Acid Achieves Synergistic Chemo-Immunotherapy with 5-Fluorouracil for Colorectal Cancer and Liver Metastasis.  |  Guo, J., et al. 2020. ACS Nano. 14: 5075-5089. PMID: 32283007
  8. Folinic acid over rescue of high dose methotrexate: How problematic citations conserve discredited concepts.  |  Cohen, IJ. 2021. Med Hypotheses. 146: 110467. PMID: 33401105
  9. Effect of folinic acid on serum homocysteine, TNFα, IL-10, and HMGB1 gene expression in head injury model.  |  Tommy, T., et al. 2021. Ann Med Surg (Lond). 65: 102273. PMID: 33996045
  10. Reduced dose folinic acid rescue after rapid high-dose methotrexate clearance is not associated with increased toxicity in a pediatric cohort.  |  Niinimäki, R., et al. 2022. Support Care Cancer. 30: 127-133. PMID: 34235555
  11. Folinic acid rescue during methotrexate treatment for low-risk gestational trophoblastic neoplasia - How much is just right?  |  Poli, JG., et al. 2021. Gynecol Oncol. 162: 638-644. PMID: 34266689
  12. Effects of Folinic Acid Administration on Lower Limb Ischemia/Reperfusion Injury in Rats.  |  Cearra, I., et al. 2021. Antioxidants (Basel). 10: PMID: 34942991
  13. Folinic Acid Potentiates the Liver Regeneration Process after Selective Portal Vein Ligation in Rats.  |  Gutiérrez Sáenz de Santa María, J., et al. 2022. Cancers (Basel). 14: PMID: 35053534
  14. Edible folic acid and medicinal folinic acid produce cardioprotective effects in late-stage triple-transgenic Alzheimer's disease model mice by suppressing cardiac hypertrophy and fibrosis.  |  Huang, CY., et al. 2022. Environ Toxicol. 37: 1740-1749. PMID: 35286012
  15. Pharmacologic modulation of 5-fluorouracil by folinic acid and pyridoxine for treatment of patients with advanced breast carcinoma.  |  Machover, D., et al. 2022. Sci Rep. 12: 9079. PMID: 35641554

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Folinic Acid, 5 mg

sc-337846A
5 mg
$110.00

Folinic Acid, 25 mg

sc-337846B
25 mg
$291.00

Folinic Acid, 100 mg

sc-337846
100 mg
$592.00