Home Metabolism DHFR chemical Leucovorin (Folinic acid) Calcium Pentahydrate For research use only.

Leucovorin (Folinic acid) Calcium Pentahydrate

Synonyms: NSC-3590 Calcium Pentahydrate, Calcium Folinatc, Citrovorum Factor

Leucovorin (Folinic acid) Calcium Pentahydrate is a derivative of folic acid, which can be used to increase levels of folic acid under conditions favoring folic acid inhibition.Solutions are unstable and should be fresh-prepared.

Leucovorin (Folinic acid) Calcium Pentahydrate Chemical Structure

Leucovorin (Folinic acid) Calcium Pentahydrate Chemical Structure

CAS No. 6035-45-6

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Leucovorin (Folinic acid) Calcium Pentahydrate Related Products

Signaling Pathway

DHFR Signaling Pathways

DHFR Signaling Pathway

Biological Activity

Description Leucovorin (Folinic acid) Calcium Pentahydrate is a derivative of folic acid, which can be used to increase levels of folic acid under conditions favoring folic acid inhibition.Solutions are unstable and should be fresh-prepared.
Targets
thymidylate synthase [1]
In vitro
In vitro

Leucovorin administration increases the level of reduced folates in tissues, which promotes the inhibition of thymidylate synthase in two murine colon tumors. [1] Leucovorin, Gemcitabine, Oxaliplatin, and 5-fluorouracil is a powerful antitumor and immunomodulating regimen that can make the tumor cells a suitable means to induce an Ag-specific CTL response. [2] Leucovorin (20 mM) increases the cytotoxicity in all three replicate experiments in 10 of the 11 human colorectal carcinoma cell lines. [3] Leucovorin enhances cytotoxicity of trimetrexate/fluorouracil, but not methotrexate/fluorouracil, in CCRF-CEM cells. [4] Leucovorin (LV) is a reduced folate cofactor that competes with RTX for transport and polyglutamation in both tumor and normal tissues and thus has potential as a rescue agent. Leucovorin reverses the growth-inhibitory, and potentially cytotoxic, effects of RTX on populations of viable cells. [5]
In Vivo
In vivo

Leucovorin (200 mg/kg), which is given after the onset of severe weight loss and diarrhea (twice daily, days 5-7) in mice, prevents further weight loss and induces earlier recovery. Leucovorin (100 or 200 mg/kg; twice daily on days 4-6) reduces the RTX concentration in the liver 2-4-fold on days 7, 9, and 11 compared with controls. [5] Leucovorin/5-FU and Gastrimmune (200 mg/mL) combinations (12.5 and 20 mg/kg) increase the therapeutic effects on the in vivo growth of DHDK12 tumors when compared to the agents given singly. [6]
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06403189 Not yet recruiting
Plexus Choroideus|Metabolic Syndrome
Assistance Publique - Hôpitaux de Paris
 July 1 2024 Not Applicable
NCT05013164 Completed
Autism Spectrum Disorder
Nishtar Medical University
 October 1 2020 Phase 2
NCT04060030 Recruiting
Autism Spectrum Disorder|Language Disorders
Southwest Autism Research & Resource Center|Autism Speaks|State University of New York - Downstate Medical Center
 October 8 2020 Phase 2
NCT04060017 Recruiting
Autism Spectrum Disorder|Language Disorders
Southwest Autism Research & Resource Center|State University of New York - Downstate Medical Center|United States Department of Defense
 September 22 2020 Phase 2

Chemical Information & Solubility

Molecular Weight 601.58 Formula

C20H31CaN7O12
CAS No. 6035-45-6 SDF Download Leucovorin (Folinic acid) Calcium Pentahydrate SDF
Smiles C1C(N(C2=C(N1)N=C(NC2=O)N)C=O)CNC3=CC=C(C=C3)C(=O)NC(CCC(=O)[O-])C(=O)[O-].O.O.O.O.O.[Ca+2]
Storage (From the date of receipt) Solutions are unstable. Prepare fresh or purchase small, pre-packaged sizes. Repackage upon receipt.

In vitro
Batch:

Water : 10 mg/mL

DMSO : Insoluble ( Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : Insoluble


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In vivo
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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