Rabeprazole EP Impurity I Catalogue No. - VL970003 CAS No. - 924663-37-6 Molecular Formula - C18H21N3O5S Molecular Weight - 391.44 IUPAC Name - 2-[[[4-(3-Methoxypropoxy)-3-methyl-1-oxido-2-pyridinyl] methyl]sulfonyl]-1H-benzimidazole Synonyms - Rabeprazole EP Impurity I Rabeprazole Sulphone N Oxide

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Rabeprazole EP Impurity H Catalogue No. - VL970005 CAS No. - 168167-42-8 Molecular Formula - C14H12ClN3OS Molecular Weight - 305.78 IUPAC Name - 2-[(RS)-[(4-Chloro-3-methylpyridin-2-yl)methyl]sulphinyl]-1H-benzimidazole Synonyms - Lansoprazole EP Impurity F / Rabeprazole Related Compound F / Rabeprazole 4-Chloro Analog

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Rabeprazole EP Impurity A Catalogue No. - VL970007 CAS No. - 117976-47-3 Molecular Formula - C18H21N3O4S Molecular Weight - 375.44 IUPAC Name - 2-[[4-(3-Methoxypropoxy)-3-methyl-pyridin-2-yl]methylsulfonyl]benzoimidazole Synonyms - Rabeprazole Related Compound D / Rabeprazole Sulfone

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Rabeprazole EP Impurity B Catalogue No.- VL970008 CAS No. - 117977-21-6 Molecular Formula - C18H21N3O2S Molecular Weight - 343.44 IUPAC Name - 2-[[4-(3-Methoxypropoxy)-3-methyl-pyridin-2-yl]methylthio]benzoimidazole ; Synonyms - Rabeprazole Related Compound E / Rabeprazole Sulfide

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Rabeprazole EP Impurity G Catalogue No. - VL970010 CAS No. - 102804-82-0 Molecular Formula - C15H15N3OS Molecular Weight - 285.36 IUPAC Name - 2-[[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfanyl]-1H-benzimidazole Synonyms - Rabeprazole Methoxy Sulfide Analog / Rabeprazole Sulfide 4-Methoxy Analog / 4-Desmethoxypropoxyl-4-Methoxy Rabeprazole Sulfide

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Rabeprazole Related compound A Catalogue No. - VL970011 CAS No. - 1163685-30-0 (free acid) Molecular Formula - C14H10N3NaO3 Molecular Weight - 291.2 IUPAC Name: - sodium 1-(1H-benzo[d]imidazol-2-yl)-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylate Synonyms - Rabeprazole EP Impurity C

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Rabeprazole EP Impurity E Catalogue No. - VL970013 CAS No. - 102804-77-3 Molecular Formula - 102804-77-3 Molecular Weight - 301.36 IUPAC Name: - 2-[[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole Synonyms - Rabeprazole 4-Methoxy Impurity / 4-Desmethoxypropoxyl-4-Methoxy Rabeprazole

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Benzimidazole Catalogue No. - VL970014 CAS No. - 51-17-2 Molecular Formula - C7H6N2 Molecular Weight - 118.14 IUPAC Name - 1H-benzo[d]imidazole

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Lamotrigine EP Impurity A Catalogue No. - VL980002 CAS No. - 252186-78-0 Molecular Formula - C₉H₆Cl₂N₄O Molecular Weight - 257.08 IUPAC Name - 3-Amino-6-(2,3-dichlorophenyl)-1,2,4-tryriazin-5(2H)-one; 3-Amino-6-(2,3-dichlorophenyl)-1,2,4-tryriazin-5(4H)-one Synonyms - Lamotrigine Related Compound C / Oxo Impurity

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Lamotrigine EP Impurity F Catalogue No. - VL980003 CAS No. - 252186-79-1 Molecular Formula - C16H9Cl4N5O Molecular Weight - 429.09 IUPAC Name - N-[5-Amino-6-(2,3-dichlorophenyl)-1,2,4-triazin-3-yl]-2,3-dichlorobenzamide Synonyms - Lamotrigine Related Compound D

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Lamotrigine EP Impurity C Catalogue No. - VL980006 CAS No. - 84689-20-3 Molecular Formula - C9H7Cl2N5 Molecular Weight - 256.09 IUPAC Name - (2Z)-2-[Cyano(2,3-dichlorophenyl)methylene]hydrazinecarboximidamide Synonyms - Hydrazinecarboximidamide

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Lamotrigine EP Impurity G Catalogue No. - VL980009 CAS No. - 38943-76-9 Molecular Formula - C₉H₇Cl₂N₅ Molecular Weight - 256.09 IUPAC Name - 6-(2,4-Dichlorophenyl)-1,2,4-triazine-3,5-diamine

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Lamotrigine EP Impurity B Catalogue No. - VL980007 CAS No. - 94213-24-8 Molecular Formula - C9H7CI2N5 Molecular Weight - 256.09 IUPAC Name - (2E)-[2-(Diaminomethylidene)diazanylidene](2,3-dichlorophenyl)acetonitrile Synonyms - E-Isomer of Iminoguanidine For Lamotrigine

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Lamotrigine EP Impurity D Catalogue No. - VL980008 CAS No. - 661463-79-2 Molecular Formula - C₉H₅Cl₂N₃O₂ Molecular Weight - 258.06 IUPAC Name - 6-(2,3-Dichlorophenyl)-1,2,4-triazine-3,5(2H,4H)-dione Synonyms - Dioxo Lamotrigine

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Mesalamine Impurity 1 Catalogue No. - VL98001 CAS No. - 3147-53-3 Molecular Formula - C13H10N2O3 Molecular Weight - 242.23 IUPAC Name - :2-Hydroxy-5-(2-phenyldiazenyl)benzoic Acid Synonyms - Mesalazine EP Impurity I /Phenylazosalicylic Acid

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Lamotrigine EP Impurity E Catalogue No. - VL980010 CAS No. - 50-45-3 Molecular Formula - C₇H₄Cl₂O₂ Molecular Weight - 191.01 IUPAC Name - 2,3-Dichlorobenzoic Acid Synonyms - Lamotrigine Related Compound B

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2,3-Dichlorobenzoyl Cyanide Lamotrigine Catalogue No. - VL980011 CAS No. - 77668-42-9 Molecular Formula - C₈H₃Cl₂NO Molecular Weight - 200.02 IUPAC Name - 2,3-Dichloro-α-oxo-benzeneacetonitrile

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Lamotrigine Impurity / N-2 Methyl Lamotrigine Catalogue No. - VL980012 CAS No. - 98410-29-8 Molecular Formula - C10H9Cl2N5 Molecular Weight - 270.11 IUPAC Name - 6-(2,3-dichlorophenyl)-3-imino-2-methyl-1,2,4-triazin-5-amine

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Lamotrigine Dimer Impurity Catalogue No. - VL980013 CAS No. - 1373393-59-9 Molecular Formula - C₂₃H₁₁Cl₆N₅O₂ Molecular Weight - 602.08 IUPAC Name - N,N'-[6-(2,3-Dichlorophenyl)-1,2,4-triazine-3,5-diyl]bis[2,3-dichlorobenzamide

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Lamotrigine N2 Oxide Impurity Catalogue No. - VL980014 CAS No. - 136565-76-9 Molecular Formula - C9H7Cl2N5O Molecular Weight - 272.09 g/mol IUPAC Name - 6-(2,3-Dichlorophenyl)-1,2,4-triazine-3,5-diamine 2-Oxide

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Lamotrigine Impurity Catalogue No. - VL980016 CAS No. - 99567-74-5 Molecular Formula - C8H3Cl2NO Molecular Weight - 200.0215 g/mol IUPAC Name - 3,5-dichlorobenzoyl cyanide

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Lamotrigine 6-(3,4-Dichlorophenyl)-1,2,4-triazine-3,5-diamine Impurity Catalogue No. - VL980017 CAS No. - 36518-85-1 Molecular Formula - C9H7Cl2N5 Molecular Weight - 256.09 IUPAC Name - 6-(3,4-Dichlorophenyl)-1,2,4-triazine-3,5-diamine

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2,5 Dichloro Lamotrigine Catalogue No. - VL980019 CAS No. - N/A Molecular Formula - C9H7Cl2N5 Molecular Weight - 256.09 IUPAC Name - 1,2,4-Triazine-3,5-diamine, 6-(2,5-dichlorophenyl)

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Mesalazine EP Impurity E Catalogue No. - VL98002 CAS No. - 65-49-6 Molecular Formula - C₇H₇NO₃ Molecular Weight - 153.14 IUPAC Name - 4-Amino-2-hydroxy-benzoic Acid Synonyms - 4-Aminosalicylic Acid / 4-Amino-2-hydroxybenzoic acid

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In house Impurity B (Lamotrigine impurity) Catalogue No. - VL980021 CAS No. - 84689-20-3 Molecular Formula - C9H7Cl2N5 Molecular Weight - 256.09 g/ mol IUPAC Name - (E)-N'-carbamimidoyl-2,3-dichlorobenzohydrazonoyl cyanide

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Lamotrigine N Acetate impurity Catalogue No. - VL980024 CAS No. - 77668-57-6 Molecular Formula - C₁₁H₉Cl₂N₅O Molecular Weight - 298.13 IUPAC Name - N-[3-Amino-6-(2,3-dichlorophenyl)-1,2,4-triazin-5-yl]-acetamide

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Mesalamine Impurity 3 Catalogue No. - VL98003 CAS No. - N/A Molecular Formula - C14H12N2O5 Molecular Weight - 287.26 IUPAC Name - 5-amino-2-((5-amino-2-hydroxybenzoyl)amino)benzoic acid

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3 6 Dioxocyclohexa 1 4 Dienecarboxylic Acid Catalogue No. - VL98004 CAS No. - N/A Molecular Formula - C7H4O4 Molecular Weight - 152.10 IUPAC Name - 3,6-dioxocyclohexa-1,4-dienecarboxylic acid

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Mesalazine EP Impurity C Catalogue No. - VL98007 CAS No. - 95-55-6 Molecular Formula - C₆H₇NO Molecular Weight - 109.13 IUPAC Name - (2-Hydroxyphenyl)amine ; 2-Amino phenol Synonyms - 2-Amino phenol

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Mesalazine EP Impurity F Catalogue No. - VL98008 CAS No. - 570-23-0 Molecular Formula - C₇H₇NO₃ Molecular Weight - 153.14 IUPAC Name - 3-Amino-2-hydroxybenzoic acid Synonyms - 3-Amino salicylic Acid

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