Synonym
6R-Leucovorin; (6R,2'S)-Folinic acid; Dextrofolinic acid;
IUPAC/Chemical Name
(4-((((R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid
InChi Key
VVIAGPKUTFNRDU-OLZOCXBDSA-N
InChi Code
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+/m1/s1
SMILES Code
O=C(O)CC[C@@H](C(O)=O)NC(C1=CC=C(NC[C@H]2N(C=O)C3=C(NC(N)=NC3=O)NC2)C=C1)=O
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.03.00
Preparing Stock Solutions
The following data is based on the
product
molecular weight
473.44
Batch specific molecular weights may vary
from batch to batch
due to the degree of hydration, which will
affect the solvent
volumes required to prepare stock solutions.
Concentration / Solvent Volume / Mass |
1 mg |
5 mg |
10 mg |
1 mM |
1.15 mL |
5.76 mL |
11.51 mL |
5 mM |
0.23 mL |
1.15 mL |
2.3 mL |
10 mM |
0.12 mL |
0.58 mL |
1.15 mL |
50 mM |
0.02 mL |
0.12 mL |
0.23 mL |
1: Liu K, Dai X, Zhong D, Deng P, Ma J, Chen X. Simultaneous determination of 6R-leucovorin, 6S-leucovorin and 5-methyltetrahydrofolate in human plasma using solid phase extraction and chiral liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2009 Apr 1;877(10):902-10. doi: 10.1016/j.jchromb.2009.02.046. Epub 2009 Feb 24. PubMed PMID: 19269903.
2: Hempel G, Lingg R, Boos J. Interactions of carboxypeptidase G2 with 6S-leucovorin and 6R-leucovorin in vitro: implications for the application in case of methotrexate intoxications. Cancer Chemother Pharmacol. 2005 Apr;55(4):347-353. doi: 10.1007/s00280-004-0910-2. Epub 2004 Oct 21. PubMed PMID: 15723260.
3: Houghton JA, Morton CL, Adkins DA, Rahman A. Locus of the interaction among 5-fluorouracil, leucovorin, and interferon-alpha 2a in colon carcinoma cells. Cancer Res. 1993 Sep 15;53(18):4243-50. PubMed PMID: 8364921.
4: Patel R, Newman EM, Villacorte DG, Sato JK, Reaman GH, Finklestein JZ, Krailo MD, Hammond GD, Holcenberg JS. Pharmacology and phase I trial of high-dose oral leucovorin plus 5-fluorouracil in children with refractory cancer: a report from the Children's Cancer Study Group. Cancer Res. 1991 Sep 15;51(18):4871-5. PubMed PMID: 1893377.
5: Lin SL, Jadaud P, Whitfield LR, Wainer IW. Determination of low levels of the stereoisomers of leucovorin and 5-methyltetrahydrofolate in plasma using a coupled chiral-achiral high-performance liquid chromatographic system with post-chiral column peak compression. J Chromatogr. 1990 Nov 16;532(2):227-36. PubMed PMID: 2084121.