Impurity Reference Standard - Products

In Stock
Justification
Custom Synthesis

Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Esomeprazole and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Esomeprazole impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Esomeprazole-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Esomeprazole Magnesium Dihydrate

CAT No: CL-E019301 CAS No: 217087-10-0 Mol Wt: 749.2 Mol F: C34H36MgN6O6S2,2H2O Inv Status: Custom Synthesis

Chemical Name: Magnesium, bis[6-methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl-?O]-1H-benzimidazolato-?N3]-, dihydrate, (T-4)- (9CI); (S)-Omeprazole magnesium dihydrate; Esomeprazole magnesium dihydrate

Esomeprazole

CAT No: CL-EPZ-01 CAS No: 119141-88-7 Mol Wt: 345.4 Mol F: C17H19N3O3S Inv Status: Custom Synthesis

Chemical Name: (S)-6-Methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

Esomeprazole EP Impurity A

CAT No: CL-EPZ-02 CAS No: 37052-78-1 Mol Wt: 180.2 Mol F: NAC8H8N2OS Inv Status: In Stock

Chemical Name: 5-Methoxy-1H-benzimidazole-2-thiol

Esomeprazole EP Impurity B

CAT No: CL-EPZ-03 CAS No: 110374-16-8 Mol Wt: 315.4 Mol F: NAC16H17N3O2S Inv Status: Custom Synthesis

Chemical Name: : 5-Methoxy-2-[[(3,5-dimethylpyridin-2-yl)methyl]sulfinyl]-1H-benzimidazole ; 2-[(RS)-[(3,5-dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1H-benzimidazole

Esomeprazole EP Impurity C

CAT No: CL-EPZ-04 CAS No: 73590-85-9 Mol Wt: 329.4 Mol F: NAC17H19N3O2S Inv Status: Custom Synthesis

Chemical Name: 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfanyl]-1H-benzimidazole

Esomeprazole EP Impurity D

CAT No: CL-EPZ-05 CAS No: 88546-55-8 Mol Wt: 361.4 Mol F: NAC17H19N3O4S Inv Status: Custom Synthesis

Chemical Name: 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfonyl]-1H-benzimidazole

Esomeprazole EP Impurity E

CAT No: CL-EPZ-06 CAS No: 176219-04-8 Mol Wt: 361.4 Mol F: C17H19N3O4S Inv Status: Custom Synthesis

Chemical Name: 4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide

Esomeprazole EP Impurity F

CAT No: CL-EPZ-07 CAS No: 125656-82-8 Mol Wt: 311.4 Mol F: C16H13N3O2S Inv Status: Custom Synthesis

Chemical Name: 8-Methoxy-1,3-dimethyl-12-thioxopyrido[1',2':3,4]imidazo[1,2-a]benzimidazol-2(12H)-one

Esomeprazole Magnesium Trihydrate

CAT No: CL-EPZ-09 CAS No: 217087-09-7 Mol Wt: 767.2 : 3(18.0) Mol F: C34H36MgN6O6S2 : 3(H2O) Inv Status: Custom Synthesis

Chemical Name: 5-Methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]sulfinyl] benzimidazole magnesium salt (2:1), triydrate

Esomeprazole Potassium

CAT No: CL-EPZ-10 CAS No: 161796-84-5 Mol Wt: 345.4 : 39.1 Mol F: NAC17H19N3O3S : K Inv Status: Custom Synthesis

Chemical Name: (S)-6-Methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole, potassium salt

Esomeprazole Sodium

CAT No: CL-EPZ-11 CAS No: 161796-78-7 Mol Wt: 345.4 : 23.0 Mol F: C17H19N3O3S : Na Inv Status: Custom Synthesis

Chemical Name: (S)-6-Methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole, sodium salt

Esomeprazole Magnesium

CAT No: CL-EPZ-12 CAS No: 161973-10-0 Mol Wt: 713.1 Mol F: C34H36MgN6O6S2 Inv Status: Custom Synthesis

Chemical Name: (T-4)-Bis[5-methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazolato]magnesium ; Nexium

N-Methyl Esomeprazole Isomer-1

CAT No: CL-EPZ-13 CAS No: 1820041-19-7 Mol Wt: 359.4 Mol F: C18H21N3O3S Inv Status: Custom Synthesis

Chemical Name: (S)-5-Methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1-methyl-1H-benzo[d]imidazole

N-Methyl Esomeprazole Isomer-2

CAT No: CL-EPZ-14 CAS No: 1346240-11-6 Mol Wt: 359.4 Mol F: C18H21N3O3S Inv Status: Custom Synthesis

Chemical Name: (S)-6-Methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1-methyl-1H-benzo[d]imidazole

Esomeprazole Impurity 4

CAT No: CL-EPZ-15 CAS No: 1831938-48-7 Mol Wt: 283.3 Mol F: C16H17N3O2 Inv Status: Custom Synthesis

Chemical Name: 2-((6-Methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethylpyridin-4-ol

4-Desmethoxy-4-Nitro Esomeprazole

CAT No: CL-EPZ-16 CAS No: 317807-10-6 Mol Wt: 360.4 Mol F: C16H16N4O4S Inv Status: Custom Synthesis

Chemical Name: 2-(((3,5-Dimethyl-4-nitropyridin-2-yl)methyl)sulfinyl)-5-methoxy-1H-benzo[d]imidazole

5-Hydroxy Esomeprazole

CAT No: CL-EPZ-17 CAS No: 196489-27-7 Mol Wt: 361.4 Mol F: C17H19N3O4S Inv Status: Custom Synthesis

Chemical Name: (S)-(4-Methoxy-6-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-5-methylpyridin-3-yl)methanol

Esomeprazole Impurity 10

CAT No: CL-EPZ-18 CAS No: 1256794-80-5 Mol Wt: 169.6 Mol F: C8H8ClNO Inv Status: Custom Synthesis

Chemical Name: 6-Chloro-3,5-dimethylpicolinaldehyde

Esomeprazole Impurity 11

CAT No: CL-EPZ-19 CAS No: NA Mol Wt: 330.4 : 126.9 Mol F: C17H20N3O2S : I Inv Status: Custom Synthesis

Chemical Name: 2-(Mercaptomethyl)-4-methoxy-1-(6-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethylpyridin-1-ium iodide

Esomeprazole Impurity 12

CAT No: CL-EPZ-20 CAS No: 143016-68-6 Mol Wt: 190.1 : 36.5 Mol F: C8H9Cl2N : HCl Inv Status: Custom Synthesis

Chemical Name: 4-Chloro-2-(chloromethyl)-3,5-dimethylpyridine hydrochloride

Esomeprazole Impurity 13

CAT No: CL-EPZ-21 CAS No: 143016-67-5 Mol Wt: 200.6 : 36.5 Mol F: C8H9ClN2O2 : HCl Inv Status: Custom Synthesis

Chemical Name: 2-(Chloromethyl)-3,5-dimethyl-4-nitropyridine hydrochloride

Esomeprazole Impurity 14

CAT No: CL-EPZ-22 CAS No: NA Mol Wt: 234.1 Mol F: C10H13Cl2NO Inv Status: Custom Synthesis

Chemical Name: 2,6-Bis(chloromethyl)-4-methoxy-3,5-dimethylpyridine

Esomeprazole Impurity 15

CAT No: CL-EPZ-23 CAS No: 149082-03-1 Mol Wt: 182.2 Mol F: C8H10N2O3 Inv Status: Custom Synthesis

Chemical Name: (3,5-Dimethyl-4-nitropyridin-2-yl)methanol

Esomeprazole Impurity 16

CAT No: CL-EPZ-24 CAS No: 848696-99-1 Mol Wt: 151.2 Mol F: C9H13NO Inv Status: Custom Synthesis

Chemical Name: (3,4,5-Trimethylpyridin-2-yl)methanol

Esomeprazole Impurity 17

CAT No: CL-EPZ-25 CAS No: 2572712-50-4 Mol Wt: 168.2 : 109.1 Mol F: C9H14NO2 : C2H5O3S Inv Status: Custom Synthesis

Chemical Name: 1,4-Dimethoxy-3,5-dimethylpyridin-1-ium ethanesulfonate

Esomeprazole Impurity 18

CAT No: CL-EPZ-26 CAS No: 848694-10-0 Mol Wt: 201.7 Mol F: C9H12ClNO2 Inv Status: Custom Synthesis

Chemical Name: 2-(Chloromethyl)-4-methoxy-3,5-dimethylpyridine 1-oxide

Esomeprazole Impurity 19

CAT No: CL-EPZ-27 CAS No: NA Mol Wt: 521.7 Mol F: C26H27N5O3S2 Inv Status: Custom Synthesis

Chemical Name: 2,2'-(((4-Methoxy-3,5-dimethylpyridine-2,6-diyl)bis(methylene))bis(sulfanediyl))bis(5-methoxy-1H-benzo[d]imidazole)

Esomeprazole Impurity 2

CAT No: CL-EPZ-28 CAS No: 2512216-37-2 Mol Wt: 283.3 Mol F: C16H17N3O2 Inv Status: In Stock

Chemical Name: 1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-2,3,5-trimethylpyridin-4(1H)-one

Esomeprazole Impurity 20

CAT No: CL-EPZ-29 CAS No: 2748245-58-9 Mol Wt: 313.4 Mol F: C16H15N3O2S Inv Status: Custom Synthesis

Chemical Name: 12-Mercapto-8-methoxy-1,3-dimethylbenzo[4',5']imidazo[2',1':2,3]imidazo[1,5-a]pyridin-2-ol

Esomeprazole Impurity 21

CAT No: CL-EPZ-30 CAS No: 70580-28-8 Mol Wt: 137.2 : 36.5 Mol F: C8H11NO : HCl Inv Status: Custom Synthesis

Chemical Name: (3,5-Dimethylpyridin-2-yl)methanol hydrochloride

Esomeprazole Impurity 22

CAT No: CL-EPZ-31 CAS No: NA Mol Wt: 313.3 Mol F: C16H15N3O4 Inv Status: Custom Synthesis

Chemical Name: 1-(6-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid

Esomeprazole Impurity 23

CAT No: CL-EPZ-32 CAS No: NA Mol Wt: 328.3 Mol F: C17H18N3O4 Inv Status: Custom Synthesis

Chemical Name: 2-Carboxy-4-methoxy-1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethylpyridin-1-ium

Esomeprazole Impurity 24

CAT No: CL-EPZ-33 CAS No: 2451927-93-6 Mol Wt: 313.3 Mol F: C16H15N3O4 Inv Status: Custom Synthesis

Chemical Name: 1-(6-Methoxy-1H-benzo[d]imidazol-2-yl)-5-methyl-3-methylene-4-oxo-1,2,3,4-tetrahydropyridine-2-carboxylic acid

Esomeprazole Impurity 3

CAT No: CL-EPZ-34 CAS No: 2819805-13-3 Mol Wt: 608.6 Mol F: C32H28N6O7 Inv Status: Custom Synthesis

Chemical Name: 1-(5-Methoxy-1-(1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carbonyl)-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid

Esomeprazole Impurity 5

CAT No: CL-EPZ-35 CAS No: 727375-13-5 Mol Wt: 153.2 Mol F: C8H11NO2 Inv Status: Custom Synthesis

Chemical Name: 2-Hydroxymethyl-4-hydroxy-3,5dimethyl pyridine

Esomeprazole Impurity 7

CAT No: CL-EPZ-36 CAS No: 92806-98-9 Mol Wt: 166.2 Mol F: C7H6N2OS Inv Status: Custom Synthesis

Chemical Name: 5-Hydroxy-1,3-dihydro-2H-benzo[d]imidazole-2-thione

Esomeprazole Impurity 9

CAT No: CL-EPZ-37 CAS No: NA Mol Wt: 331.4 Mol F: C16H17N3O3S Inv Status: Custom Synthesis

Chemical Name: (S)-2-(((5-Methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridin-4(1H)-one

Type:Impurity Reference Standard

Total Products: 37

Inv. Status:

Esomeprazole Related Products

Products

Popular Links

Address(India):

Address(Bangladesh):

Subscribe for news letter:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name: