Levofolinate Impurities

Levofolinate Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Levofolinate, pharmacopeial and non-pharmacopeial Levofolinate impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Levofolinate impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Levofolinate-related products are thoroughly characterized. Levofolinate products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Levofolinate EP Impurity A

SZ CAT No:	: SZ-L083002
CAS No	: 4271-30-1
Mol.F.	: C12H14N2O5
Mol.Wt.	: 266.3
Inv. Status	: In Stock
Rel. CAT No	: SZ-M019012 ; SZ-F041014 ,

Levofolinate EP Impurity C

SZ CAT No:	: SZ-L083004
CAS No	: 59-30-3
Mol.F.	: C19H19N7O6
Mol.Wt.	: 441.4
Inv. Status	: In Stock
Rel. CAT No	: SZ-F035004 ,

Levofolinate EP Impurity D

SZ CAT No:	: SZ-L083005
CAS No	: 134-05-4
Mol.F.	: C20H19N7O7
Mol.Wt.	: 469.4
Inv. Status	: In Stock
Rel. CAS No	: 67396-16-1 (calcium salt)
Rel. CAT No	: SZ-F035005 ,

Levofolinate EP Impurity F

SZ CAT No:	: SZ-L083007
CAS No	: 28459-40-7
Mol.F.	: C20H21N7O7
Mol.Wt.	: 471.4
Inv. Status	: In Stock
Rel. CAT No	: SZ-F035007 ,

Levofolinate EP Impurity G

SZ CAT No:	: SZ-L083008
CAS No	: 4033-27-6
Mol.F.	: C19H21N7O6
Mol.Wt.	: 443.4
Inv. Status	: In Stock
Rel. CAT No	: SZ-F035008 ,

Levofolinate EP Impurity H

SZ CAT No:	: SZ-L083009
CAS No	: 73951-54-9
Mol.F.	: C20H23N7O7
Mol.Wt.	: 473.4
Inv. Status	: In Stock

Calcium Levofolinate

SZ CAT No:	: SZ-L083001
CAS No	: 80433-71-2
Mol.F.	: C20H21N7O7 : Ca
Mol.Wt.	: 471.4 : 40.1
Inv. Status	: Custom Synthesis
Rel. CAS No	: 68538-85-2 (free base) ; 122291-98-9 (Sodium salt)

Levofolinate EP Impurity B

SZ CAT No:	: SZ-L083003
CAS No	: NA
Mol.F.	: C21H23N7O8
Mol.Wt.	: 501.5
Inv. Status	: Custom Synthesis

Levofolinate EP Impurity E

SZ CAT No:	: SZ-L083006
CAS No	: 944737-05-7
Mol.F.	: C15H16N6O4
Mol.Wt.	: 344.3
Inv. Status	: Custom Synthesis
Rel. CAT No	: SZ-F035006 ,

Levofolinate EP Impurity I

SZ CAT No:	: SZ-L083010
CAS No	: 31690-11-6
Mol.F.	: C20H23N7O6
Mol.Wt.	: 457.4
Inv. Status	: Custom Synthesis
Rel. CAT No	: SZ-F035016 ,

Possible Nitroso Standards

Levofolinate Nitroso Impurity 4

SZ CAT No:	: SZ-L083014
CAS No	: NA
Mol.F.	: C20H22N8O8
Mol.Wt.	: 502.4
Inv. Status	: Custom Synthesis

Levofolinate Nitroso Impurity 1

SZ CAT No:	: SZ-L083011
CAS No	: NA
Mol.F.	: C20H22N8O8
Mol.Wt.	: 502.4
Inv. Status	: Inquire

Levofolinate Nitroso Impurity 2

SZ CAT No:	: SZ-L083012
CAS No	: NA
Mol.F.	: C20H19N9O9
Mol.Wt.	: 529.4
Inv. Status	: Inquire

Levofolinate Nitroso Impurity 3

SZ CAT No:	: SZ-L083013
CAS No	: NA
Mol.F.	: C20H22N8O8
Mol.Wt.	: 502.4
Inv. Status	: Inquire

Stable Isotopes and Metabolites

Calcium Levofolinate-13C5

SZ CAT No:	: SZ-L083D01
CAS No	: NA
Mol.F.	: C1513C5H22N7O7: Ca
Mol.Wt.	: 477.4 : 40.1
Inv. Status	: Custom Synthesis

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