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FOLINIC ACID

F-068031
N1-Nitroso Levofolinic Acid (N1-Nitroso (S)-Calcium Levofolinate EP Impurity H, N1-Nitroso (S)-Leucovorin)
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Catalogue Number:

F-068031

Compound Name:

N1-Nitroso Levofolinic Acid (N1-Nitroso (S)-Calcium Levofolinate EP Impurity H, N1-Nitroso (S)-Leucovorin)

Synonyms:

(4-((((R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl) methyl)(nitroso)amino)benzoyl)-L-glutamic acid

CAS#:

Alternate CAS#:

Molecular Formula:

C20H22N8O8

Molecular Weight:

502.44

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Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

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C20H21N7O7. Ca

M.W. 471.43 40.08

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Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid EP Impurity D Disodium Salt

C20H17N7O7. 2 Na

M.W. 467.40 2*22.99

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Folinic Acid EP Impurity E

CAS No. 944737-05-7

C15H16N6O4

M.W. 344.33

F-068007
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid EP Impurity F Disodium Salt

C20H19N7O7. 2Na

M.W. 469.42 2*22.99

F-068008
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid EP Impurity G Disodium Salt (7,8-Dihydrofolic Acid Disodium Salt)

CAS No. 1809246-78-3

C19H19N7O6. 2 Na

M.W. 441.42 2*22.99

F-068009
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Levofolinic Acid

CAS No. 68538-85-2

C20H23N7O7

M.W. 473.45

F-068019
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 8

CAS No. 4349-41-1

C15H18N6O3

M.W. 330.35

F-068020
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 9

C20H21N7O6

M.W. 455.43

F-068010
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 1 Trifluoroacetate

C19H23N7O6. C2HF3O2

M.W. 445.44 114.02

F-068011
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 2

CAS No. N/A

C20H25N7O5

M.W. 443.47

F-068012
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 3

C15H18N6O3

M.W. 330.35

F-068013
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 4

CAS No. N/A

C21H27N7O6

M.W. 473.49

F-068014
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 5 (4-Aminobenzoyl D-Glutamic Acid)

CAS No. 5959-18-2

C12H14N2O5

M.W. 266.26

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Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid-d4 ((6RS)-Calcium Levofolinate EP Impurity H-d4, Leucovorin-d4)

C20H19D4N7O7

M.W. 477.47

F-068017
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 6

CAS No. 4349-43-3

C15H16N6O4

M.W. 344.33

F-068048
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Calcium Levofolinate EP Impurity I Disodium Salt

C20H21N7O6. 2 Na

M.W. 455.43 2*22.99

F-068022
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

10-Formyl-Folinic Acid Calcium Salt

C20H21N7O7. Ca

M.W. 471.43 40.08

F-068023
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 10

C20H27N7O7

M.W. 477.48

F-068025
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 11

CAS No. 6810-75-9

C20H21N7O6

M.W. 455.43

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Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid-d4 Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H-d4 Calcium Salt , Leucovorin-d4 Calcium Salt)

C20H17D4N7O7. Ca

M.W. 475.46 40.08

F-068027
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 12

C8H11N5O3

M.W. 225.21

F-068029
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N1-Nitroso Folinic Acid (N1-Nitroso (6RS)-Calcium Levofolinate EP Impurity H, N1-Nitroso Leucovorin)

CAS No. 77314-00-2

C20H22N8O8

M.W. 502.44

F-068042
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N2-Nitroso Folinic Acid (N2-Nitroso (6RS)-Calcium Levofolinate EP Impurity H, N2-Nitroso Leucovorin)

C20H22N8O8

M.W. 502.44

F-068032
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 13

C21H23N7O8

M.W. 501.46

F-068033
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 14

C21H23N7O8

M.W. 501.46

F-068034
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N2-Nitroso Levofolinic Acid (N2-Nitroso (S)-Calcium Levofolinate EP Impurity H, N2-Nitroso (S)-Leucovorin)

C20H22N8O8

M.W. 502.44

F-068035
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 15 Calcium Salt

C20H23N8O6. 0.5Ca

M.W. 71.45 0.5*40.08

F-068046
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N1,N2-Di-Nitroso Folinic Acid (N1,N2-Di-Nitroso (6RS)-Calcium Levofolinate EP Impurity H, N1,N2-Di-Nitroso Leucovorin)

C20H21N9O9

M.W. 531.44

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Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Levofolinic Acid-13C5 Calcium Salt ((S)-Calcium Levofolinate EP Impurity H-13C5 Calcium Salt, (S)-Leucovorin-13C5 Calcium Salt)

C1513C5H23N7O7

M.W. 478.41

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Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N2,N3-Dinitroso (6R)-Folinic Acid Impurity 1

C19H21N9O8

M.W. 503.43

F-068037
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N2,N3-Dinitroso (6S)-Folinic Acid Impurity 1

C19H21N9O8

M.W. 503.43

F-068038
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N1,N3-Dinitroso (6R)-Folinic Acid Impurity 1

C19H21N9O8

M.W. 503.43

F-068039
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N1,N3-Dinitroso (6S)-Folinic Acid Impurity 1

C19H21N9O8

M.W. 503.43

F-068040
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

N2-Nitroso (6R)-5-Methyl-Folinic Acid Impurity 1

C20H24N8O7

M.W. 488.46

F-068041
Folinic Acid Calcium Salt ((6RS)-Calcium Levofolinate EP Impurity H Calcium Salt, Leucovorin Calcium Salt)

Folinic Acid Impurity 16 (Mixture of Diastereomers)

C24H26N8O10

M.W. 586.52

N1-Nitroso Levofolinic Acid (N1-Nitroso (S)-Calcium Levofolinate EP Impurity H, N1-Nitroso (S)-Leucovorin)