Folic Acid Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Folic Acid (1286005) Folic Acid

Folic Acid (1286005)

PVE00204 59-30-3
Folic Acid D-Isomer Folic Acid

Folic Acid D-Isomer

VE008298 N/A
Folic acid D-isomer (Calcium Salt) Folic Acid

Folic acid D-isomer (Calcium Salt)

VE008297 N/A
Folic Acid EP Impurity A Folic Acid

Folic Acid EP Impurity A

VL3520001 4271-30-1
Folic Acid EP Impurity B Folic Acid

Folic Acid EP Impurity B

VL3520002 35011-47-3
Folic Acid EP Impurity B (Free Base) Folic Acid

Folic Acid EP Impurity B (Free Base)

VE006816 1004-75-7
Folic Acid EP Impurity C Folic Acid

Folic Acid EP Impurity C

VL3520003 47707-78-8
Folic Acid EP Impurity D Folic Acid

Folic Acid EP Impurity D

VL3520004 119-24-4
Folic Acid EP Impurity E Folic Acid

Folic Acid EP Impurity E

VL3520005 1391068-26-0
Folic Acid EP Impurity F Folic Acid

Folic Acid EP Impurity F

VL3520006 1391194-56-1
Folic Acid EP Impurity G Folic Acid

Folic Acid EP Impurity G

VE0011870 N/A
Budesonide for System Suitability CRS (Y0001148) Folic acid

Folic Acid for Impurity I Identification CRS (Y0001980)

PVE00304 59-30-3
Budesonide for System Suitability CRS (Y0001148) Folic acid

Folic Acid for System Suitability CRS (Y0001979)

PVE00303 N/A
Folic Acid Impurity 26 Folic Acid

Folic Acid Impurity 26

VE0017951 712-30-1
Budesonide for System Suitability CRS (Y0001148) Folic acid

Folic acid impurity A CRS (Y0001242)

PVE00403 4271-30-1
Folic Acid Inhouse Impurity H Folic Acid

Folic Acid Inhouse Impurity H

VE008948 2366274-27-1
Folic Acid-(RR & RS Isomer Mixture) Folic Acid

Folic Acid-(RR & RS Isomer Mixture)

VE008299 N/A
Folic Acid-13C5 Folic Acid

Folic Acid-13C5

VE0011071 1207282-75-4
Methyltetrahydrofolate Related Compound 4 Folic Acid

Methyltetrahydrofolate Related Compound 4

VE008300 N/A
Methyltetrahydrofolate Related Compound 6 Folic Acid

Methyltetrahydrofolate Related Compound 6

VE008301 N/A
N-Nitroso Folic acid Folic acid

N-Nitroso Folic acid

VE007631 29291-35-8
N-Nitroso Folic Acid Impurity-II Folic Acid

N-Nitroso Folic Acid Impurity-II

VE008186 N/A
Oxybuprocaine EP Impurity A (Free Base) Folic Acid / Oxybuprocaine / Tetracaine / Benzocaine / Benzocaine

Oxybuprocaine EP Impurity A (Free Base)

VL3520007 150-13-0
4-Aminobenzoylglutamic Acid (1019870) Folic Acid

4-Aminobenzoylglutamic Acid (1019870)

PVE00206 4271-30-1
5-(gamma-folinilamido) Tetrahydrofolic Acid Folic Acid

5-(gamma-folinilamido) Tetrahydrofolic Acid

VE008669 N/A