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Pharmaceutical Reference Standards

Calcium Levofolinate Hydrate

Picture of Calcium Levofolinate Hydrate
CAT No: SZ-L083001
CAS No: NA
Mol.F. : C20H21N7O7 : Ca : XH2O
Mol.Wt. : 471.4 : 40.1 : X(18.0)
Inv. Status: Custom Synthesis
Rel. CAS No : 68538-85-2 (free base) ; 80433-71-2 (Calcium salt) ; 122291-98-9 (Sodium salt)
SZ-L083001
CAS No:NA
Mol.F.: C20H21N7O7 : Ca : XH2O
Mol.Wt.: 471.4 : 40.1 : X(18.0)
Inv. Status: Custom Synthesis
Rel. CAS No : 68538-85-2 (free base) ; 80433-71-2 (Calcium salt) ; 122291-98-9 (Sodium salt)

Levofolinate EP Impurity A

Picture of Levofolinate EP Impurity A
CAT No: SZ-L083002
CAS No: 4271-30-1
Mol.F. : C12H14N2O5
Mol.Wt. : 266.3
Inv. Status: Custom Synthesis
SZ-L083002
CAS No:4271-30-1
Mol.F.: C12H14N2O5
Mol.Wt.: 266.3
Inv. Status: Custom Synthesis

Levofolinate EP Impurity B

Picture of Levofolinate EP Impurity B
CAT No: SZ-L083003
CAS No: NA
Mol.F. : C21H23N7O8
Mol.Wt. : 501.5
Inv. Status: Custom Synthesis
SZ-L083003
CAS No:NA
Mol.F.: C21H23N7O8
Mol.Wt.: 501.5
Inv. Status: Custom Synthesis

Levofolinate EP Impurity C

Picture of Levofolinate EP Impurity C
CAT No: SZ-L083004
CAS No: 59-30-3
Mol.F. : C19H19N7O6
Mol.Wt. : 441.4
Inv. Status: Custom Synthesis
SZ-L083004
CAS No:59-30-3
Mol.F.: C19H19N7O6
Mol.Wt.: 441.4
Inv. Status: Custom Synthesis

Levofolinate EP Impurity D

Picture of Levofolinate EP Impurity D
CAT No: SZ-L083005
CAS No: 134-05-4
Mol.F. : C20H19N7O7
Mol.Wt. : 469.4
Inv. Status: Custom Synthesis
Rel. CAS No : 67396-16-1 (calcium salt)
SZ-L083005
CAS No:134-05-4
Mol.F.: C20H19N7O7
Mol.Wt.: 469.4
Inv. Status: Custom Synthesis
Rel. CAS No : 67396-16-1 (calcium salt)

Levofolinate EP Impurity E

Picture of Levofolinate EP Impurity E
CAT No: SZ-L083006
CAS No: 944737-05-7
Mol.F. : C15H16N6O4
Mol.Wt. : 344.3
Inv. Status: Custom Synthesis
SZ-L083006
CAS No:944737-05-7
Mol.F.: C15H16N6O4
Mol.Wt.: 344.3
Inv. Status: Custom Synthesis

Levofolinate EP Impurity F

Picture of Levofolinate EP Impurity F
CAT No: SZ-L083007
CAS No: 28459-40-7
Mol.F. : C20H21N7O7
Mol.Wt. : 471.4
Inv. Status: Custom Synthesis
SZ-L083007
CAS No:28459-40-7
Mol.F.: C20H21N7O7
Mol.Wt.: 471.4
Inv. Status: Custom Synthesis

Levofolinate EP Impurity G

Picture of Levofolinate EP Impurity G
CAT No: SZ-L083008
CAS No: 4033-27-6
Mol.F. : C19H21N7O6
Mol.Wt. : 443.4
Inv. Status: Custom Synthesis
SZ-L083008
CAS No:4033-27-6
Mol.F.: C19H21N7O6
Mol.Wt.: 443.4
Inv. Status: Custom Synthesis

Levofolinate EP Impurity H

Picture of Levofolinate EP Impurity H
CAT No: SZ-L083009
CAS No: 73951-54-9
Mol.F. : C20H23N7O7
Mol.Wt. : 473.4
Inv. Status: Custom Synthesis
SZ-L083009
CAS No:73951-54-9
Mol.F.: C20H23N7O7
Mol.Wt.: 473.4
Inv. Status: Custom Synthesis

Levofolinate EP Impurity I

Picture of Levofolinate EP Impurity I
CAT No: SZ-L083010
CAS No: 31690-11-6
Mol.F. : C20H23N7O6
Mol.Wt. : 457.4
Inv. Status: Custom Synthesis
SZ-L083010
CAS No:31690-11-6
Mol.F.: C20H23N7O6
Mol.Wt.: 457.4
Inv. Status: Custom Synthesis

Possible Nitroso Standards

Levofolinate Nitroso Impurity 1

Picture of Levofolinate Nitroso Impurity 1
CAT No: SZ-L083011
CAS No: NA
Mol.F. : C20H20N8O8
Mol.Wt. : 500.4
Inv. Status: Custom Synthesis
SZ-L083011
CAS No:NA
Mol.F.: C20H20N8O8
Mol.Wt.: 500.4
Inv. Status: Custom Synthesis

Levofolinate Nitroso Impurity 2

Picture of Levofolinate Nitroso Impurity 2
CAT No: SZ-L083012
CAS No: NA
Mol.F. : C20H19N9O9
Mol.Wt. : 529.4
Inv. Status: Custom Synthesis
SZ-L083012
CAS No:NA
Mol.F.: C20H19N9O9
Mol.Wt.: 529.4
Inv. Status: Custom Synthesis

Levofolinate Nitroso Impurity 3

Picture of Levofolinate Nitroso Impurity 3
CAT No: SZ-L083013
CAS No: NA
Mol.F. : C20H20N8O8
Mol.Wt. : 500.4
Inv. Status: Custom Synthesis
SZ-L083013
CAS No:NA
Mol.F.: C20H20N8O8
Mol.Wt.: 500.4
Inv. Status: Custom Synthesis