Levofolinate EP Impurity B

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

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Chemical Name: (2S)-2-[4-[[[(6R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl]methyl](formyl)amino]benzamido]pentanedioic acid (as per EP)

Synonym: 5,10-Diformyltetrahydrolevofolic Acid

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: O=C1C2=C(NC[C@@](CN(C([H])=O)C3=CC=C(C(N[C@]([H])(C(O)=O)CCC(O)=O)=O)C=C3)([H])N2C([H])=O)NC(N)=N1

Levofolinate EP Impurity B is chemically (2S)-2-[4-[[[(6R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl]methyl](formyl)amino]benzamido]pentanedioic acid (as per EP). It is also known as 5,10-Diformyltetrahydrolevofolic Acid. Levofolinate EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Levofolinate EP Impurity B can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Levofolinate.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

SZ 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 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 ,

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 ,

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 ,

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 B

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

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 ,

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

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

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 ,

SZ CAT No:	: SZ-L083011
CAS No	: NA
Mol.F.	: C20H20N8O8
Mol.Wt.	: 500.4
Inv. Status	: Inquire

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

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