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Pharmaceutical Reference Standards / Impurity Standards

Omeprazole

Omeprazole

CAT. No.O040000
CAS. No.73590-58-6
Mol. F.C17H19N3O3S
Mol. W.345.42 g/mol
Stock Status:Instock

Omeprazole

Omeprazole

CAT. No.O040000A
CAS. No.73590-58-6
Mol. F.C17H19N3O3S
Mol. W.345.42 g/mol
Stock Status:Instock

Omeprazole Magnesium

Omeprazole Magnesium

CAT. No.O040000B
CAS. No.95382-33-5
Mol. F.C34H36MgN6O6S2
Mol. W.713.12 g/mol
Stock Status:Please Enquire

Omeprazole Reference Standard

Omeprazole Reference Standard

CAT. No.O040000C
CAS. No.73590-58-6
Mol. F.C17H19N3O3S
Mol. W.345.42 g/mol
Stock Status:Instock

Omeprazole Sodium hydrate

Omeprazole Sodium hydrate

CAT. No.O040000D
CAS. No.95510-70-6
Mol. F.C17H20N3NaO4S
Mol. W.385.41 g/mol
Stock Status:Instock

Omeprazole EP Impurity A

Omeprazole EP Impurity A

CAT. No.O040001
CAS. No.37052-78-1
Mol. F.C8H8N2OS
Mol. W.180.23 g/mol
Stock Status:Instock

Omeprazole EP Impurity C

Omeprazole EP Impurity C

CAT. No.O040003
CAS. No.73590-85-9
Mol. F.C17H19N3O2S
Mol. W.329.42 g/mol
Stock Status:Instock

Omeprazole USP Related Compound A

Omeprazole USP Related Compound A

CAT. No.O040004
CAS. No.88546-55-8
Mol. F.C17H19N3O4S
Mol. W.361.42 g/mol
Stock Status:Instock

Omeprazole EP Impurity E

Omeprazole EP Impurity E

CAT. No.O040005
CAS. No.176219-04-8
Mol. F.C17H19N3O4S
Mol. W.361.42 g/mol
Stock Status:Instock

Omeprazole EP Impurity F

Omeprazole EP Impurity F

CAT. No.O040006
CAS. No.125656-82-8
Mol. F.C16H13N3O2S
Mol. W.311.36 g/mol
Stock Status:Instock

Omeprazole EP Impurity G

Omeprazole EP Impurity G

CAT. No.O040007
CAS. No.125656-83-9
Mol. F.C16H13N3O2S
Mol. W.311.36 g/mol
Stock Status:Instock

Omeprazole EP Impurity H

Omeprazole EP Impurity H

CAT. No.O040008
CAS. No.863029-89-4
Mol. F.C16H16ClN3O2S
Mol. W.349.84 g/mol
Stock Status:Instock

Omeprazole EP Impurity I

Omeprazole EP Impurity I

CAT. No.O040009
CAS. No.158812-85-2
Mol. F.C17H19N3O5S
Mol. W.377.42 g/mol
Stock Status:Instock

5-O-Desmethyl Omeprazole

5-O-Desmethyl Omeprazole

CAT. No.O040010
CAS. No.151602-49-2
Mol. F.C16H17N3O3S
Mol. W.331.39 g/mol
Stock Status:Custom Synthesis

Benzimedazole

Benzimedazole

CAT. No.O040011
CAS. No.51-17-2
Mol. F.C7H6N2
Mol. W.118.14 g/ mol
Stock Status:Instock

Omeprazole EP Impurity XI

Omeprazole EP Impurity XI

CAT. No.O040012
CAS. No.86604-75-3
Mol. F.C9H12ClNO.HCl
Mol. W.222.11 g/mol
Stock Status:Instock

5-Hydroxy Omeprazole

5-Hydroxy Omeprazole

CAT. No.O040013
CAS. No.92340-57-3
Mol. F.C17H19N3O4S
Mol. W.361.42g/mol
Stock Status:Under Synthesis

R-Omeprazole Sodium Salt

R-Omeprazole Sodium Salt

CAT. No.O040014
CAS. No.161796-77-6
Mol. F.C17H19N3NaO3S
Mol. W.368.41 g/mol
Stock Status:Instock

R-omeprazole Magnesium Trihydrate

R-omeprazole Magnesium Trihydrate

CAT. No.O040014A
CAS. No.NA
Mol. F.C17H18N3O3SMg.3H2O
Mol. W.422.76 g/mol
Stock Status:Instock

2-(chloromethyl)-3,5-dimethylpyridine Hydrochloride

2-(chloromethyl)-3,5-dimethylpyridine Hydrochloride

CAT. No.O040015
CAS. No.73590-93-9
Mol. F.C8H10ClN.HCl
Mol. W.192.09 g/mol
Stock Status:Custom Synthesis

Omeprazole Pyridone Acid Ammonium Salt

Omeprazole Pyridone Acid Ammonium Salt

CAT. No.O040017A
CAS. No.NA
Mol. F.C16H18N4O4
Mol. W.330.34 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 3

Omeprazole Impurity 3

CAT. No.O040018
CAS. No.NA
Mol. F.C16H17N3O2;C16H17N3O2
Mol. W.283.33 g/mol
Stock Status:Instock

Omeprazole N-Methyl 6-Methoxy Analog (MIXTURE OF ISOMER)

Omeprazole N-Methyl 6-Methoxy Analog (MIXTURE OF ISOMER)

CAT. No.O040019
CAS. No.784143-42-6
Mol. F.C18H21N3O3S
Mol. W.359.44 g/mol
Stock Status:Instock

N-Methyl Omeprazole(mixture of isomers)

N-Methyl Omeprazole(mixture of isomers)

CAT. No.O040020
CAS. No.NA
Mol. F.C36H42N6O6S2
Mol. W.718.88 g/mol
Stock Status:Instock

N-Methyl-1,2-phenylenediamine

N-Methyl-1,2-phenylenediamine

CAT. No.O040022
CAS. No.4760-34-3
Mol. F.C7H10N2
Mol. W.122.17 g/mol
Stock Status:Instock

Omeparzole 4`-O-Desmethyl Impurity

Omeparzole 4`-O-Desmethyl Impurity

CAT. No.O040024
CAS. No.2362529-32-4
Mol. F.C16H17N3O3S
Mol. W.331.39 g/mol
Stock Status:Custom Synthesis

4-Hydroxy Omeprazole

4-Hydroxy Omeprazole

CAT. No.O040025
CAS. No.301669-82-9
Mol. F.C16H17N3O3S
Mol. W.331.39 g/mol
Stock Status:Under Synthesis

4-Hydroxy Omeprazole Disodium

4-Hydroxy Omeprazole Disodium

CAT. No.O040025A
CAS. No.301669-82-9(as base)
Mol. F.C16H15N3Na2O3S
Mol. W.375.35 g/mol
Stock Status:Instock

OMeprazole N-Methyl 5-Methoxy Analog

OMeprazole N-Methyl 5-Methoxy Analog

CAT. No.O040026
CAS. No.89352-76-1
Mol. F.C18H21N3O3S
Mol. W.359.44 g/mol
Stock Status:Instock

6-Hydroxy-2-mercaptobenzimidazole

6-Hydroxy-2-mercaptobenzimidazole

CAT. No.O040027
CAS. No.92806-98-9
Mol. F.C7H6N2OS
Mol. W.166.20 g/mol
Stock Status:Instock

2-chloromethyl-3,5-dimethyl-pyridine-6-ol

2-chloromethyl-3,5-dimethyl-pyridine-6-ol

CAT. No.O040029
CAS. No.NA
Mol. F.C8H10ClNO
Mol. W.171.62 g/mol
Stock Status:Custom Synthesis

Omeprazole Ethoxy Impurity

Omeprazole Ethoxy Impurity

CAT. No.O040031
CAS. No.NA
Mol. F.C18H21N3O2S
Mol. W.343.44 g/mol
Stock Status:Custom Synthesis

Omeprazole N-Methyl 6-Methoxy Thiol Impurity

Omeprazole N-Methyl 6-Methoxy Thiol Impurity

CAT. No.O040032
CAS. No.1526768-06-8
Mol. F.C9H10N2OS
Mol. W.194.25 g/mol
Stock Status:Custom Synthesis

Omeprazole Acid Impurity

Omeprazole Acid Impurity

CAT. No.O040033
CAS. No.120003-72-7
Mol. F.C17H16N3O5S
Mol. W.375.40 g/mol
Stock Status:Custom Synthesis

Omeprazole N1-Methyl 6-Methoxy Thiol Impurity

Omeprazole N1-Methyl 6-Methoxy Thiol Impurity

CAT. No.O040034
CAS. No.NA
Mol. F.C9H10N2OS
Mol. W.194.25 g/mol
Stock Status:Custom Synthesis

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

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

CAT. No.O040035
CAS. No.2512216-37-2
Mol. F.C16H17N3O2
Mol. W.283.33 g/mol
Stock Status:Custom Synthesis

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

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

CAT. No.O040036
CAS. No.2819805-13-3
Mol. F.C32H28N6O7
Mol. W.608.60 g/mol
Stock Status:Custom Synthesis

Bis-Desmethoxy Omeprazole Sulfide

Bis-Desmethoxy Omeprazole Sulfide

CAT. No.O040037
CAS. No.NA
Mol. F.C15H15N3S
Mol. W.269.36 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 5

Omeprazole Impurity 5

CAT. No.O040038
CAS. No.73590-87-1
Mol. F.C16H17N3OS
Mol. W.299.39 g/mol
Stock Status:Custom Synthesis

4-Desmethoxy Omeprazole Sulfide

4-Desmethoxy Omeprazole Sulfide

CAT. No.O040039
CAS. No.704910-89-4
Mol. F.C16H17N3OS
Mol. W.299.39 g/mol
Stock Status:Custom Synthesis

4-Desmethoxy-4-chloro Omeprazole Sulfide

4-Desmethoxy-4-chloro Omeprazole Sulfide

CAT. No.O040040
CAS. No.220757-74-4
Mol. F.C16H16ClN3OS
Mol. W.333.84 g/mol
Stock Status:Custom Synthesis

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

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

CAT. No.O040041
CAS. No.NA
Mol. F.C16H17N3O2
Mol. W.283.33 g/mol
Stock Status:Custom Synthesis

4-Desmethoxy-4-nitro Omeprazole

4-Desmethoxy-4-nitro Omeprazole

CAT. No.O040042
CAS. No.317807-10-6
Mol. F.C16H16N4O4S
Mol. W.360.39 g/mol
Stock Status:Limited Stock

Omeprazole 4-chloro Analog

Omeprazole 4-chloro Analog

CAT. No.O040043
CAS. No.220757-74-4
Mol. F.C16H16ClN3OS
Mol. W.333.84 g/mol
Stock Status:Custom Synthesis

2,3,5-Trimethyl pyridine N-Oxide

2,3,5-Trimethyl pyridine N-Oxide

CAT. No.O040044
CAS. No.74409-42-0
Mol. F.C8H11NO
Mol. W.137.2 g/mol
Stock Status:Custom Synthesis

4-Nitro 2,3,5 Trimethyl Pyridine N-Oxide

4-Nitro 2,3,5 Trimethyl Pyridine N-Oxide

CAT. No.O040045
CAS. No.86604-79-7
Mol. F.C8H10N2O3
Mol. W.182.18 g/mol
Stock Status:Custom Synthesis

Des methoxy Omeprazole Chloro Compound

Des methoxy Omeprazole Chloro Compound

CAT. No.O040046
CAS. No.153476-69-8
Mol. F.C8H10ClN
Mol. W.155.62 g/mol
Stock Status:Custom Synthesis

2-(chloromethyl)-4-methoxy-3,5-dimethylpyridine

2-(chloromethyl)-4-methoxy-3,5-dimethylpyridine

CAT. No.O040047
CAS. No.NA
Mol. F.C9H12ClNO
Mol. W.185.65 g/mol
Stock Status:Instock

Omeprazole EP Impurity F And G Mixture

Omeprazole EP Impurity F And G Mixture

CAT. No.O040048
CAS. No.NA
Mol. F.C16H13N3O2S+C16H13N3O2
Mol. W.622.72 g/mol
Stock Status:Instock

Omeprazole Impurity 16

Omeprazole Impurity 16

CAT. No.O040049
CAS. No.106135-28-8
Mol. F.C8H8N2O4S
Mol. W.228.23 g/mol
Stock Status:Custom Synthesis

Desulfoxide 4-Demethyl Omeprazole

Desulfoxide 4-Demethyl Omeprazole

CAT. No.O040050
CAS. No.1384163-92-1
Mol. F.C16H17N3O2
Mol. W.283.33 g/mol
Stock Status:Custom Synthesis

5-Benzyloxy Omeprazole

5-Benzyloxy Omeprazole

CAT. No.O040051
CAS. No.1215799-39-5
Mol. F.C23H23N3O3S
Mol. W.421.52 g/mol
Stock Status:Custom Synthesis

5-O-Desmethyl Omeprazole Sulfide

5-O-Desmethyl Omeprazole Sulfide

CAT. No.O040052
CAS. No.103877-02-7
Mol. F.C16H17N3O2S
Mol. W.315.39 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 27

Omeprazole Impurity 27

CAT. No.O040053
CAS. No.2451927-95-8
Mol. F.C16H17N3O3
Mol. W.299.30 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 26

Omeprazole Impurity 26

CAT. No.O040054
CAS. No.2451927-94-7
Mol. F.C16H17N3O2
Mol. W.283.33 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 34

Omeprazole Impurity 34

CAT. No.O040055
CAS. No.NA
Mol. F.C17H17N3O2S
Mol. W.327.40 g/mol
Stock Status:Custom Synthesis

(4-methoxy-3,5-dimethylpyridin-2-yl)methyl methyl Sulphate

(4-methoxy-3,5-dimethylpyridin-2-yl)methyl methyl Sulphate

CAT. No.O040057
CAS. No.NA
Mol. F.C10H15NO5S
Mol. W.261.29 g/mol
Stock Status:Custom Synthesis

(4-methoxy-3,5-dimethylpyridin-2-yl)methyl hydrogen Sulphate

(4-methoxy-3,5-dimethylpyridin-2-yl)methyl hydrogen Sulphate

CAT. No.O040058
CAS. No.NA
Mol. F.C9H13NO5S
Mol. W.247.27 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 35

Omeprazole Impurity 35

CAT. No.O040059
CAS. No.477585-18-5
Mol. F.C10H15NO4S
Mol. W.245.30 g/mol
Stock Status:Custom Synthesis

(R)-Omeprazole Magnesium Dihydrate

(R)-Omeprazole Magnesium Dihydrate

CAT. No.O040060
CAS. No.NA
Mol. F.C17H22MgN3O5S
Mol. W.404.74 g/mol
Stock Status:Instock

4`-Desmethoxy Omeprazole

4`-Desmethoxy Omeprazole

CAT. No.O040061
CAS. No.73590-60-0
Mol. F.C16H17N3O2S
Mol. W.315.39 g/mol
Stock Status:Custom Synthesis

Esomeprazole Impurity 16

Esomeprazole Impurity 16

CAT. No.O040062
CAS. No.848696-99-1
Mol. F.C9H13NO
Mol. W.151.21 g/mol
Stock Status:Instock

Omeprazole Impurity 30

Omeprazole Impurity 30

CAT. No.O040063
CAS. No.1346600-29-0
Mol. F.C26H30N4O3S
Mol. W.478.61 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 32

Omeprazole Impurity 32

CAT. No.O040064
CAS. No.NA
Mol. F.C17H17N3O4
Mol. W.327.33 g/mol
Stock Status:Custom Synthesis

N-Nitroso Omeprazole

N-Nitroso Omeprazole

CAT. No.O040065
CAS. No.NA
Mol. F.C17H18N4O4S
Mol. W.NA
Stock Status:Custom Synthesis

Omeprazole Impurity 37

Omeprazole Impurity 37

CAT. No.O040066
CAS. No.1346599-85-6
Mol. F.C26H30N4O4S
Mol. W.494.61 g/mol
Stock Status:Custom Synthesis

7-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

7-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole

CAT. No.O040067
CAS. No.NA
Mol. F.C17H19N3O3S
Mol. W.345.42 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 43

Omeprazole Impurity 43

CAT. No.O040068
CAS. No.2555002-22-5
Mol. F.C16H17N3O2
Mol. W.283.33 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 45

Omeprazole Impurity 45

CAT. No.O040069
CAS. No.142885-95-8
Mol. F.C10H12N2O4
Mol. W.224.21 g/mol
Stock Status:Custom Synthesis

Omeprazole Acid Methyl Ester

Omeprazole Acid Methyl Ester

CAT. No.O040070
CAS. No.120003-83-0
Mol. F.C18H19N3O5S
Mol. W.389.43 g/mol
Stock Status:Custom Synthesis

2-Acetoxymethyl-5-Hydroxymethyl-4-Methoxy-3-Methylpyridine

2-Acetoxymethyl-5-Hydroxymethyl-4-Methoxy-3-Methylpyridine

CAT. No.O040071
CAS. No.120003-77-2
Mol. F.C11H15NO4
Mol. W.225.24 g/mol
Stock Status:Custom Synthesis

Omeprazole Desmethyl pyridine impurity

Omeprazole Desmethyl pyridine impurity

CAT. No.O040072
CAS. No.124473-15-0
Mol. F.C16H17N3O3S
Mol. W.331.39 g/mol
Stock Status:Custom Synthesis

Omeprazole Hydrochloride

Omeprazole Hydrochloride

CAT. No.O040073
CAS. No.NA
Mol. F.C8H12ClNO
Mol. W.173.64 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 24

Omeprazole Impurity 24

CAT. No.O040074
CAS. No.2451927-87-8
Mol. F.C17H17N3O2S
Mol. W.327.40 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 25

Omeprazole Impurity 25

CAT. No.O040075
CAS. No.2451927-89-0
Mol. F.C17H17N3O3
Mol. W.311.34 g/mol
Stock Status:Custom Synthesis

Benzimidazole Dimer

Benzimidazole Dimer

CAT. No.O040076
CAS. No.NA
Mol. F.C16H8F6N4O2S2
Mol. W.466.40 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 7

Omeprazole Impurity 7

CAT. No.O040077
CAS. No.1346649-67-9
Mol. F.C16H15N3O2S
Mol. W.313.40 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 47

Omeprazole Impurity 47

CAT. No.O040078
CAS. No.NA
Mol. F.C16H13N3O3
Mol. W.295.30 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 47

Omeprazole Impurity 47

CAT. No.O040079
CAS. No.NA
Mol. F.C16H13N3O3
Mol. W.295.30 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 17

Omeprazole Impurity 17

CAT. No.O040080
CAS. No.NA
Mol. F.C17H21N3O2
Mol. W.299.37 g/mol
Stock Status:Custom Synthesis

Omeprazole Impurity 53

Omeprazole Impurity 53

CAT. No.O040081
CAS. No.2350318-72-6
Mol. F.C17H20N3O3
Mol. W.314.36 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Omeprazole-13C,D3

Omeprazole-13C,D3

CAT. No.O040021
CAS. No.1261395-28-1
Mol. F.C1613CH16D3N3O3S
Mol. W.349.43 g/mol
Stock Status:Please Enquire

Omeprazole-D3

Omeprazole-D3

CAT. No.O040023
CAS. No.934293-92-2
Mol. F.C17H16D3N3O3S
Mol. W.348.43 g/mol
Stock Status:Instock