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  • Folinic Acid

Folinic Acid Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Folinic Acid, pharmacopeial and non-pharmacopeial Folinic Acid impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Folinic Acid 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.

Folinic Acid-related products are thoroughly characterized. Folinic Acid 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

Calcium Folinate Hydrate

Picture of Calcium Folinate Hydrate
CAT No: SZ-F035001
CAS No: 2060570-47-8
Mol.F. : C20H21N7O72 : Ca : X(H2O)
Mol.Wt. : 471.4 : 40.1 : X(18.0)
Inv. Status: In Stock
Rel. CAS No : 58-05-9 (free base) ; 1492-18-8 (calcium salt)
SZ-F035001
CAS No:2060570-47-8
Mol.F.: C20H21N7O72 : Ca : X(H2O)
Mol.Wt.: 471.4 : 40.1 : X(18.0)
Inv. Status: In Stock
Rel. CAS No : 58-05-9 (free base) ; 1492-18-8 (calcium salt)

Folinic Acid Impurity B

Picture of Folinic Acid Impurity B
CAT No: SZ-F035003
CAS No: 98814-60-9
Mol.F. : C21H23N7O8
Mol.Wt. : 501.5
Inv. Status: In Stock
SZ-F035003
CAS No:98814-60-9
Mol.F.: C21H23N7O8 
Mol.Wt.: 501.5
Inv. Status: In Stock

Folinic Acid Impurity C

Picture of Folinic Acid Impurity C
CAT No: SZ-F035004
CAS No: 59-30-3
Mol.F. : C19H19N7O6
Mol.Wt. : 441.4
Inv. Status: In Stock
Rel. CAT No : SZ-L083004,
SZ-F035004
CAS No:59-30-3
Mol.F.: C19H19N7O6 
Mol.Wt.: 441.4
Inv. Status: In Stock

Folinic Acid Impurity D

Picture of Folinic Acid Impurity D
CAT No: SZ-F035005
CAS No: 134-05-4
Mol.F. : C20H19N7O7
Mol.Wt. : 469.4
Inv. Status: In Stock
Rel. CAT No : SZ-L083005,
SZ-F035005
CAS No:134-05-4
Mol.F.: C20H19N7O7 
Mol.Wt.: 469.4
Inv. Status: In Stock

Folinic Acid Impurity E

Picture of Folinic Acid Impurity E
CAT No: SZ-F035006
CAS No: 944737-05-7
Mol.F. : C15H16N6O4
Mol.Wt. : 344.3
Inv. Status: Limited Stock
Rel. CAT No : SZ-L083006,
SZ-F035006
CAS No:944737-05-7
Mol.F.: C15H16N6O4 
Mol.Wt.: 344.3
Inv. Status: Limited Stock

Folinic Acid EP Impurity F

Picture of Folinic Acid EP Impurity F
CAT No: SZ-F035007
CAS No: 28459-40-7
Mol.F. : C20H21N7O7
Mol.Wt. : 471.4
Inv. Status: In Stock
Rel. CAT No : SZ-L083007,
SZ-F035007
CAS No:28459-40-7
Mol.F.: C20H21N7O7 
Mol.Wt.: 471.4
Inv. Status: In Stock

Dihydro Folic Acid Disodium Salt

Picture of Dihydro Folic Acid Disodium Salt
CAT No: SZ-F035008
CAS No: 1809246-78-3
Mol.F. : C19H19N7O6 : 2(Na)
Mol.Wt. : 441.4 : 2(23.0)
Inv. Status: In Stock
Rel. CAS No : 4033-27-6 (free base)
Rel. CAT No : SZ-L083008,
SZ-F035008
CAS No:1809246-78-3
Mol.F.: C19H19N7O6 : 2(Na)
Mol.Wt.: 441.4 : 2(23.0)
Inv. Status: In Stock
Rel. CAS No : 4033-27-6 (free base)

Folinic Acid Impurity H

Picture of Folinic Acid Impurity H
CAT No: SZ-F035009
CAS No: 68538-85-2
Mol.F. : C20H23N7O7
Mol.Wt. : 473.5
Inv. Status: Custom Synthesis
SZ-F035009
CAS No:68538-85-2
Mol.F.: C20H23N7O7 
Mol.Wt.: 473.5
Inv. Status: Custom Synthesis

(6S)-Tetrahydrofolic Acid

Picture of (6S)-Tetrahydrofolic Acid
CAT No: SZ-F035010
CAS No: 71963-69-4
Mol.F. : C19H23N7O6
Mol.Wt. : 445.4
Inv. Status: Custom Synthesis
SZ-F035010
CAS No:71963-69-4
Mol.F.: C19H23N7O6 
Mol.Wt.: 445.4
Inv. Status: Custom Synthesis

Folinic Acid Impurity 2

Picture of Folinic Acid Impurity 2
CAT No: SZ-F035011
CAS No: NA
Mol.F. : C20H25N7O5
Mol.Wt. : 443.5
Inv. Status: Custom Synthesis
SZ-F035011
CAS No:NA
Mol.F.: C20H25N7O5 
Mol.Wt.: 443.5
Inv. Status: Custom Synthesis

Folinic Acid Impurity 3

Picture of Folinic Acid Impurity 3
CAT No: SZ-F035012
CAS No: NA
Mol.F. : C15H18N6O3
Mol.Wt. : 330.4
Inv. Status: Custom Synthesis
SZ-F035012
CAS No:NA
Mol.F.: C15H18N6O3 
Mol.Wt.: 330.4
Inv. Status: Custom Synthesis

Folinic Acid Impurity 4

Picture of Folinic Acid Impurity 4
CAT No: SZ-F035013
CAS No: NA
Mol.F. : C21H27N7O6
Mol.Wt. : 473.5
Inv. Status: Custom Synthesis
SZ-F035013
CAS No:NA
Mol.F.: C21H27N7O6 
Mol.Wt.: 473.5
Inv. Status: Custom Synthesis

Folinic Acid Impurity 5 

Picture of Folinic Acid Impurity 5 
CAT No: SZ-F035014
CAS No: 5959-18-2
Mol.F. : C12H14N2O5
Mol.Wt. : 266.3
Inv. Status: In Stock
SZ-F035014
CAS No:5959-18-2
Mol.F.: C12H14N2O5
Mol.Wt.: 266.3
Inv. Status: In Stock

Folinic Acid Impurity 6

Picture of Folinic Acid Impurity 6
CAT No: SZ-F035015
CAS No: 4349-43-3
Mol.F. : C15H16N6O4
Mol.Wt. : 344.3
Inv. Status: In Stock
SZ-F035015
CAS No:4349-43-3
Mol.F.: C15H16N6O4 
Mol.Wt.: 344.3
Inv. Status: In Stock

Folinic Acid Impurity 7

Picture of Folinic Acid Impurity 7
CAT No: SZ-F035016
CAS No: 31690-11-6
Mol.F. : C20H23N7O6
Mol.Wt. : 457.5
Inv. Status: Custom Synthesis
Rel. CAT No : SZ-L083010 ,
SZ-F035016
CAS No:31690-11-6
Mol.F.: C20H23N7O6
Mol.Wt.: 457.5
Inv. Status: Custom Synthesis

4a-Hydroxy-5-Methyltetrahydrofolic Acid

Picture of 4a-Hydroxy-5-Methyltetrahydrofolic Acid
CAT No: SZ-F035017
CAS No: 33157-07-2
Mol.F. : C20H25N7O7
Mol.Wt. : 475.5
Inv. Status: Under Synthesis
SZ-F035017
CAS No:33157-07-2
Mol.F.: C20H25N7O7
Mol.Wt.: 475.5
Inv. Status: Under Synthesis

10-Formyltetrahydrofolic Acid

Picture of 10-Formyltetrahydrofolic Acid
CAT No: SZ-F035018
CAS No: NA
Mol.F. : C20H23N7O7
Mol.Wt. : 473.4
Inv. Status: Custom Synthesis
SZ-F035018
CAS No:NA
Mol.F.: C20H23N7O7
Mol.Wt.: 473.4
Inv. Status: Custom Synthesis

5,6,7,8-Tetrahydrofolic Acid

Picture of 5,6,7,8-Tetrahydrofolic Acid
CAT No: SZ-F035019
CAS No: NA
Mol.F. : C19H23N7O6
Mol.Wt. : 445.4
Inv. Status: Custom Synthesis
SZ-F035019
CAS No:NA
Mol.F.: C19H23N7O6
Mol.Wt.: 445.4
Inv. Status: Custom Synthesis

Folinic Acid Dimer

Picture of Folinic Acid Dimer
CAT No: SZ-F035026
CAS No: NA
Mol.F. : C39H44N14O12
Mol.Wt. : 900.9
Inv. Status: Custom Synthesis
SZ-F035026
CAS No:NA
Mol.F.: C39H44N14O12
Mol.Wt.: 900.9
Inv. Status: Custom Synthesis

Folinic Acid Impurity 12

Picture of Folinic Acid Impurity 12
CAT No: SZ-F035027
CAS No: 6810-75-9
Mol.F. : C20H21N7O6
Mol.Wt. : 455.4
Inv. Status: Custom Synthesis
SZ-F035027
CAS No:6810-75-9
Mol.F.: C20H21N7O6
Mol.Wt.: 455.4
Inv. Status: Custom Synthesis

Folinic Acid Impurity 13

Picture of Folinic Acid Impurity 13
CAT No: SZ-F035028
CAS No: NA
Mol.F. : C38H40N14O11
Mol.Wt. : 868.8
Inv. Status: Under Synthesis
SZ-F035028
CAS No:NA
Mol.F.: C38H40N14O11
Mol.Wt.: 868.8
Inv. Status: Under Synthesis

Calcium Folinate

Picture of Calcium Folinate
CAT No: SZ-F035031
CAS No: 1492-18-8
Mol.F. : C20H22N7O7 : Ca
Mol.Wt. : 472.4 : 40.1
Inv. Status: Under Synthesis
Rel. CAS No : 58-05-9 (free base) ; 2060570-47-8 (calcium hydrate)
SZ-F035031
CAS No:1492-18-8
Mol.F.: C20H22N7O7 : Ca
Mol.Wt.: 472.4 : 40.1
Inv. Status: Under Synthesis
Rel. CAS No : 58-05-9 (free base) ; 2060570-47-8 (calcium hydrate)

Dimethyltetrahydrofolic Acid

Picture of Dimethyltetrahydrofolic Acid
CAT No: SZ-F035032
CAS No: NA
Mol.F. : C21H27N7O6
Mol.Wt. : 473.5
Inv. Status: In Stock
SZ-F035032
CAS No:NA
Mol.F.: C21H27N7O6
Mol.Wt.: 473.5
Inv. Status: In Stock

4-Aminodeoxopteroic Acid

Picture of 4-Aminodeoxopteroic Acid
CAT No: SZ-F035034
CAS No: 36093-85-3
Mol.F. : C14H13N7O2
Mol.Wt. : 311.3
Inv. Status: Custom Synthesis
SZ-F035034
CAS No:36093-85-3
Mol.F.: C14H13N7O2
Mol.Wt.: 311.3
Inv. Status: Custom Synthesis

Possible Nitroso Standards

Levofolinic Acid Nitroso Impurity 1

Picture of Levofolinic Acid Nitroso Impurity 1
CAT No: SZ-F035020
CAS No: NA
Mol.F. : C20H21N8O8 : Ca
Mol.Wt. : 501.4 : 40.1
Inv. Status: Custom Synthesis
SZ-F035020
CAS No:NA
Mol.F.: C20H21N8O8 : Ca
Mol.Wt.: 501.4 : 40.1
Inv. Status: Custom Synthesis

Levofolinic Acid Nitroso Impurity 2

Picture of Levofolinic Acid Nitroso Impurity 2
CAT No: SZ-F035021
CAS No: NA
Mol.F. : C20H21N8O8 : Ca
Mol.Wt. : 501.4 : 40.1
Inv. Status: In Stock
SZ-F035021
CAS No:NA
Mol.F.: C20H21N8O8 : Ca
Mol.Wt.: 501.4 : 40.1
Inv. Status: In Stock

Folinic Acid Nitroso Impurity 6

Picture of Folinic Acid Nitroso Impurity 6
CAT No: SZ-F035022
CAS No: NA
Mol.F. : C20H21N9O9
Mol.Wt. : 531.4
Inv. Status: In Stock
SZ-F035022
CAS No:NA
Mol.F.: C20H21N9O9
Mol.Wt.: 531.4
Inv. Status: In Stock

Folinic Acid Nitroso Impurity 1

Picture of Folinic Acid Nitroso Impurity 1
CAT No: SZ-F035023
CAS No: NA
Mol.F. : C20H20N8O8 : Ca
Mol.Wt. : 500.4 : 40.1
Inv. Status: Custom Synthesis
SZ-F035023
CAS No:NA
Mol.F.: C20H20N8O8 : Ca
Mol.Wt.: 500.4 : 40.1
Inv. Status: Custom Synthesis

Folinic Acid Nitroso Impurity 2

Picture of Folinic Acid Nitroso Impurity 2
CAT No: SZ-F035024
CAS No: NA
Mol.F. : C20H22N8O8
Mol.Wt. : 502.4
Inv. Status: In Stock
SZ-F035024
CAS No:NA
Mol.F.: C20H22N8O8
Mol.Wt.: 502.4
Inv. Status: In Stock

Folinic Acid Nitroso Impurity 3

Picture of Folinic Acid Nitroso Impurity 3
CAT No: SZ-F035025
CAS No: NA
Mol.F. : C20H21N9O9
Mol.Wt. : 531.4
Inv. Status: Out of Stock
SZ-F035025
CAS No:NA
Mol.F.: C20H21N9O9
Mol.Wt.: 531.4
Inv. Status: Out of Stock

N-Nitroso Folinic Acid Impurity C

Picture of N-Nitroso Folinic Acid Impurity C
CAT No: SZ-F035029
CAS No: 26360-21-4
Mol.F. : C19H18N8O7
Mol.Wt. : 470.4
Inv. Status: In Stock
Rel. CAT No : SZ-F041025,
SZ-F035029
CAS No:26360-21-4
Mol.F.: C19H18N8O7
Mol.Wt.: 470.4
Inv. Status: In Stock

Folinic Acid Nitroso Impurity 4

Picture of Folinic Acid Nitroso Impurity 4
CAT No: SZ-F035030
CAS No: NA
Mol.F. : C14H12N8O3
Mol.Wt. : 340.3
Inv. Status: Limited Stock
SZ-F035030
CAS No:NA
Mol.F.: C14H12N8O3
Mol.Wt.: 340.3
Inv. Status: Limited Stock

N-Nitroso Folinic acid

Picture of N-Nitroso Folinic acid
CAT No: SZ-F035033
CAS No: NA
Mol.F. : C20H22N8O8
Mol.Wt. : 502.4
Inv. Status: Custom Synthesis
SZ-F035033
CAS No:NA
Mol.F.: C20H22N8O8
Mol.Wt.: 502.4
Inv. Status: Custom Synthesis

Folinic Acid Nitroso Impurity 5

Picture of Folinic Acid Nitroso Impurity 5
CAT No: SZ-F035035
CAS No: NA
Mol.F. : C20H22N8O8
Mol.Wt. : 502.4
Inv. Status: Custom Synthesis
SZ-F035035
CAS No:NA
Mol.F.: C20H22N8O8
Mol.Wt.: 502.4
Inv. Status: Custom Synthesis