Category
Calcium folinate
CAS Number
Calcium folinate STD-1492-18-8: Folinic Acid-58-05-9: IMP-A-4271-30-1: IMP-B-98814-60-9: IMP-C-59-30-3: IMP-D-134-05-4: IMP-E-4349-43-3: IMP-F-28459-40-7: IMP-I-3432-99-3
Alternate CAS Number
Calcium folinate STD-6035-45-6(Ca Pentahydrate Salt): Folinic Acid-1492-18-8(Ca Salt);6035-45-6(Ca Pentahydrate Salt): IMP-A-97772-96-8(monosodium salt): IMP-E-2469007-14-3(HCl Salt)
Molecular Formula
Calcium folinate STD-C20H21CaN7O7: Folinic Acid-C20H23N7O7: IMP-A-C12H14N2O5: IMP-B-C21H23N7O8: IMP-C-C19H19N7O6: IMP-D-C20H19N7O7: IMP-E-C15H16N6O4: IMP-F-C20H21N7O7: IMP-I-C20H23N7O6
Molecular Weight
Calcium folinate STD-511.50: Folinic Acid-473.45: IMP-A-266.25: IMP-B-501.46: IMP-C-441.4: IMP-D-469.41: IMP-E-344.33: IMP-F-471.43: IMP-I-457.44
Synonym

Calcium folinate STD-Calcium(I) (4S)-4-(4-(((2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)-4-carboxybutanoate; L-N-[p-[[(2-amino-5-formyl-5,6,7,8-tetrahydro-4-hydroxy-6-pteridinyl)methyl]amino]benzoyl]glutamic Acid Calcium Salt; Calcium 5-formyltetrahydrofolate

Folinic Acid-(2S)-2-[[4-[(2-amino-5-formyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid; leucovorin; (4-(((2-amino-5-formyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid

Calcium Folinate EP Impurity-A-(2S)-2-[(4-aminobenzoyl)amino]pentanedioic acid; N-(4-Aminobenzoyl)-L-glutamic Acid;N-(p-Aminobenzoyl)glutamic Acid; N-(p-Aminobenzoyl)-L(+)-glutamic Acid; (2S)-2-[(4-Aminobenzoyl)amino]pentanedioic Acid; 4-Aminobenzoylglutamic acid; N-(4-Aminobenzoyl)-l-glutamic acid (USP)

Calcium Folinate EP Impurity-B-(2S)-2-[[4-[(2-amino-5-formyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl)methyl-formylamino]benzoyl]amino]pentanedioic acid; 5,10-Diformyltetrahydrofolic Acid; (4-(N-((2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)formamido)benzoyl)-L-glutamic Acid; Leucovorin Calcium; 5,10-Diformyltetrahydrofolic acid; (4-{N-[(2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl]formamido}benzoyl)-l-glutamic acid (USP)

Calcium Folinate EP Impurity-C-(2S)-2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid; (2S)-2-[[4-[[(2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino]benzoyl]amino]pentanedioic Acid; (4-(((2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic Acid

Calcium Folinate EP Impurity-D-(2S)-2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methyl-formylamino]benzoyl]amino]pentanedioic acid; (2S)-2-[4-[[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl](formyl)amino]benzamido]pentanedioic acid; (4-(N-((2-Amino-4-oxo-4,8-dihydropteridin-6-yl)methyl)formamido)benzoyl)-L-glutamic Acid; N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid; 10-Formylpteroylglutamic Acid; N10-Formylfolic Acid; N-[p-[N-[(2-Amino-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]-glutamic Acid; N-[4-[[(2-Amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid; Formylfolic Acid

Calcium Folinate EP Impurity-E-4-[(2-amino-5-formyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoic acid; 4-[[(2-Amino-5-formyl-3,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl)methyl]amino]benzoic Acid; 4-[[(2-Amino-5-formyl-1,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl)methyl]amino]benzoic Acid; p-[[(2-Amino-5-formyl-5,6,7,8-tetrahydro-4-hydroxy-6-pteridinyl)methyl]amino]benzoic Acid; 5-Formyl-5,6,7,8-tetrahydropteroic Acid

Calcium Folinate EP Impurity-F-(2S)-2-[[4-[(2-amino-4-oxo-7,8-dihydro-3H-pteridin-6-yl)methyl-formylamino]benzoyl]amino]pentanedioic acid; (S)-2-(4-(N-((2-Amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic Acid; (4-(N-((2-Amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methyl)formamido)benzoyl)-L-glutamic Acid; 10-Formyldihydrofolate; N-Formyl-7,8-dihydrofolic Acid; Leucovorin Calcium; 10-Formyldihydrofolic acid; (4-{N-[(2-Amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methyl]formamido}benzoyl)-l-glutamic acid (USP); 10-Formyl-7,8-dihydro Folic Acid

Calcium Folinate EP Impurity-I-(2S)-2-[[4-(3-amino-1-oxo-2,5,6,6a,7,9-hexahydroimidazo[1,5-f]pteridin-8-yl)benzoyl]amino]pentanedioic acid; N-[4-(3-Amino-1,2,5,6,6a,7-hexahydro-1-oxoimidazo[1,5-f]pteridin-8(9H)-yl)benzoyl]-L-glutamic Acid; (+)-5,10-Methylene-5,6,7,8-tetrahydrofolic Acid; N5,N10-Methyl-enetetrahydrofolic Acid; N5,N10-Methylenetetrahydropteroylglutamic Acid; 5,10-Methylenetetrafolate; 5,10-Methylenetetrahydrofolic Acid; Folitixorin

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Purity:

Above - 95.0%

Technical Data:

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Calcium folinate for System Suitability A CRS is a pharmacopeial Chemical Reference Substance used to check the performance of analytical systems, usually in HPLC testing. It ensures that parameters like resolution, retention time, and peak shape meet specified requirements before analyzing samples, confirming the method is working properly and giving reliable results.