General Information
Drug ID
DR00238
Drug Name
Leucovorin
Synonyms
5-formyltetrahydrofolate; Citrovorum factor; Folinic acid
Drug Type
Small molecular drug
Indication Colorectal cancer [ICD11: 2B91] Approved [1]
Therapeutic Class
Vitamins
Structure
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3D MOL 2D MOL
Formula
C20H23N7O7
Canonical 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
InChI
InChI=1S/C20H23N7O7/c21-20-25-16-15(18(32)26-20)27(9-28)12(8-23-16)7-22-11-3-1-10(2-4-11)17(31)24-13(19(33)34)5-6-14(29)30/h1-4,9,12-13,22H,5-8H2,(H,24,31)(H,29,30)(H,33,34)(H4,21,23,25,26,32)/t12?,13-/m0/s1
InChIKey
VVIAGPKUTFNRDU-ABLWVSNPSA-N
CAS Number
CAS 58-05-9
Pharmaceutical Properties Molecular Weight 473.446 Topological Polar Surface Area 216
Heavy Atom Count 34 Rotatable Bond Count 9
Hydrogen Bond Donor Count 7 Hydrogen Bond Acceptor Count 10
PubChem CID
135403648
ChEBI ID
CHEBI:15640
DT(s) Transporting This Drug MRP2 Transporter Info Multidrug resistance-associated protein 2 Substrate [2]
MRP3 Transporter Info Multidrug resistance-associated protein 3 Substrate [3]
MRP4 Transporter Info Multidrug resistance-associated protein 4 Substrate [4]
Drug-Transporter Activity Data
Drug-Transporter Activity Data MRP3 Transporter Info Km = 1740 microM Human embryonic kidney cells (HEK293)-MRP3 [3]
MRP4 Transporter Info Km = 640 microM Spodoptera frugiperda (Sf9) cells-MRP4 [4]
References
1 Leucovorin was approved by FDA. The official website of the U.S. Food and Drug Administration. (2019)
2 Transport of methotrexate, methotrexate polyglutamates, and 17beta-estradiol 17-(beta-D-glucuronide) by ABCG2: effects of acquired mutations at R482 on methotrexate transport. Cancer Res. 2003 Jul 15;63(14):4048-54.
3 Transport of methotrexate (MTX) and folates by multidrug resistance protein (MRP) 3 and MRP1: effect of polyglutamylation on MTX transport. Cancer Res. 2001 Oct 1;61(19):7225-32.
4 Analysis of methotrexate and folate transport by multidrug resistance protein 4 (ABCC4): MRP4 is a component of the methotrexate efflux system. Cancer Res. 2002 Jun 1;62(11):3144-50.

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