Omeprazole

Venkatasai is a leading provider of pharmaceutical reference standards, specializing in the supply of high-purity Omeprazole reference materials. Our portfolio includes both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamine derivatives (N-NO products). These reference standards play a crucial role in pharmaceutical R&D, aiding in formulation development, ANDA/DMF submissions, quality control, method validation, stability studies, and impurity profiling—including the identification and assessment of potentially genotoxic impurities.

Each Omeprazole-related product is rigorously characterized and delivered with a detailed Certificate of Analysis (COA) and comprehensive analytical data to ensure regulatory compliance. Upon request, we also offer EP/USP traceable standards. To maintain the highest quality standards, all materials are subject to periodic re-testing and continuous quality monitoring.

Omeprazole

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CAT No: VS-O013000
CAS No: 73590-58-6
Mol.F.: C17H19N3O3S
Mol.Wt.: 345.4
Status: In Stock

Omeprazole Sodium

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CAT No: VS-O013001
CAS No: 95510-70-6
Mol.F.: C17H19N3O3S : Na
Mol.Wt.: 345.4 : 23.0
Status: Custom Synthesis

Omeprazole EP Impurity A

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CAT No: VS-O013002
CAS No: 37052-78-1
Mol.F.: C8H8N2OS
Mol.Wt.: 180.2
Status: In Stock

Omeprazole EP Impurity B

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CAT No: VS-O013003
CAS No: 110374-16-8
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.4
Status: In Stock

Omeprazole EP Impurity C

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CAT No: VS-O013004
CAS No: 73590-85-9
Mol.F.: C17H19N3O2S
Mol.Wt.: 329.4
Status: In Stock

Omeprazole EP Impurity D

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CAT No: VS-O013005
CAS No: 88546-55-8
Mol.F.: C17H19N3O4S
Mol.Wt.: 361.4
Status: In Stock

Omeprazole EP Impurity E

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CAT No: VS-O013006
CAS No: 176219-04-8
Mol.F.: C17H19N3O4S
Mol.Wt.: 361.4
Status: Limited Stock

Omeprazole EP Impurity F

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CAT No: VS-O013007
CAS No: 125656-82-8
Mol.F.: C16H13N3O2S
Mol.Wt.: 311.4
Status: Out of Stock

Omeprazole EP Impurity G

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CAT No: VS-O013008
CAS No: 125656-83-9
Mol.F.: C16H13N3O2S
Mol.Wt.: 311.4
Status: In Stock

Omeprazole EP Impurity F and G Mixture

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CAT No: VS-O013009
CAS No: N/A
Mol.F.: C16H13N3O2S
Mol.Wt.: 311.4
Status: Custom Synthesis

Omeprazole EP Impurity H

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CAT No: VS-O013010
CAS No: 863029-89-4
Mol.F.: C16H16ClN3O2S
Mol.Wt.: 349.8
Status: In Stock

Omeprazole EP Impurity I

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CAT No: VS-O013011
CAS No: 158812-85-2
Mol.F.: C17H19N3O5S
Mol.Wt.: 377.4
Status: In Stock

Omeprazole EP Impurity XI

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CAT No: VS-O013012
CAS No: 86604-75-3
Mol.F.: C9H12ClNO : HCl
Mol.Wt.: 185.7 : 36.5
Status: Custom Synthesis

Omeprazole N-Methyl 5-Methoxy Analog

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CAT No: VS-O013013
CAS No: 89352-76-1
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Status: Custom Synthesis

Omeprazole N-Methyl 6-Methoxy Analog

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CAT No: VS-O013014
CAS No: 784143-42-6
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Status: In Stock

Omeprazole Pyridone Acid Sodium Salt

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CAT No: VS-O013015
CAS No: N/A
Mol.F.: C16H14N3O4 : Na
Mol.Wt.: 312.3 : 23.0
Status: Custom Synthesis

Omeprazole 4-Desmethyl Impurity

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CAT No: VS-O013016
CAS No: 301669-82-9
Mol.F.: C16H17N3O3S
Mol.Wt.: 331.4
Status: Custom Synthesis

Omeprazole N1-Methyl 5-Methoxy Thiol Impurity

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CAT No: VS-O013017
CAS No: N/A
Mol.F.: C9H10N2OS
Mol.Wt.: 194.3
Status: Custom Synthesis

Omeprazole N1-Methyl 6-Methoxy Thiol Impurity

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CAT No: VS-O013018
CAS No: N/A
Mol.F.: C9H10N2OS
Mol.Wt.: 194.3
Status: Custom Synthesis

Omeprazole Sulfide N1-Methyl 5-Methoxy Analog

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CAT No: VS-O013019
CAS No: 2243644-60-0
Mol.F.: C18H21N3O2S
Mol.Wt.: 343.4
Status: Custom Synthesis

Omeprazole S-Isomer

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CAT No: VS-O013020
CAS No: 119141-88-7
Mol.F.: C17H19N3O3S 
Mol.Wt.: 345.4 
Status: Custom Synthesis

Mixture of N-Methyl 5-Methoxy & N-Methyl 6-Methoxy Analog

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CAT No: VS-O013021
CAS No: N/A
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Status: Custom Synthesis

(R) Omeprazole Potassium Salt

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CAT No: VS-O013022
CAS No: 161796-81-2
Mol.F.: C17H19N3O3S : K
Mol.Wt.: 345.4 : 39.1
Status: Custom Synthesis

(R) Omeprazole Sodium Salt

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CAT No: VS-O013023
CAS No: 161796-77-6
Mol.F.: C17H19N3O3S : Na
Mol.Wt.: 345.4 : 23.0
Status: In Stock

Omeprazole Hydroxymethyl Impurity

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CAT No: VS-O013024
CAS No: 96300-88-8
Mol.F.: C9H13NO2 . HCl
Mol.Wt.: 167.2 : 36.5
Status: Custom Synthesis

4-Desmethoxy Omeprazole Sulfide

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CAT No: VS-O013025
CAS No: 704910-89-4
Mol.F.: C16H17N3OS
Mol.Wt.: 299.4
Status: Custom Synthesis

Bis-Desmethoxy Omeprazole Sulfide

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CAT No: VS-O013026
CAS No: 704910-94-1
Mol.F.: C15H15N3S
Mol.Wt.: 269.4
Status: Custom Synthesis

4-Desmethoxy-4-chloro Omeprazole Sulfide

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CAT No: VS-O013027
CAS No: 220757-74-4
Mol.F.: C16H16ClN3OS
Mol.Wt.: 333.8
Status: Custom Synthesis

Omeprazole Dimer Impurity

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CAT No: VS-O013028
CAS No: N/A
Mol.F.: C26H27N5O4S2
Mol.Wt.: 537.7
Status: Custom Synthesis

Desulfoxide 4-Demethyl Omeprazole

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CAT No: VS-O013029
CAS No: 1384163-92-1
Mol.F.: C16H17N3O2
Mol.Wt.: 283.3
Status: Custom Synthesis

4-Hydroxy Omeprazole Sulfide

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CAT No: VS-O013030
CAS No: 103876-98-8
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.4
Status: In Stock

(R)-Omeprazole

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CAT No: VS-O013031
CAS No: 119141-89-8
Mol.F.: C17H19N3O3S
Mol.Wt.: 345.4
Status: In Stock

Omeprazole Magnesium

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CAT No: VS-O013032
CAS No: 95382-33-5
Mol.F.: 2(C17H18N3O3S) : Mg
Mol.Wt.: 2(344.4) : 24.3
Status: In Stock

Omeprazole Impurity 2

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CAT No: VS-O013033
CAS No: N/A
Mol.F.: C7H6N2S
Mol.Wt.: 150.2
Status: Custom Synthesis

Omeprazole Impurity 3

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CAT No: VS-O013034
CAS No: N/A
Mol.F.: C16H17N3O2
Mol.Wt.: 283.3
Status: Custom Synthesis

Omeprazole Impurity 4

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CAT No: VS-O013035
CAS No: N/A
Mol.F.: C16H17N3O2
Mol.Wt.: 283.3
Status: Custom Synthesis

Omeprazole Impurity 5

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CAT No: VS-O013036
CAS No: 73590-87-1
Mol.F.: C16H17N3OS
Mol.Wt.: 299.4
Status: Custom Synthesis

Omeprazole Impurity 6

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CAT No: VS-O013037
CAS No: N/A
Mol.F.: C8H10ClNO
Mol.Wt.: 171.6
Status: Custom Synthesis

Omeprazole Impurity 7

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CAT No: VS-O013038
CAS No: 1346649-67-9
Mol.F.: C16H15N3O2S
Mol.Wt.: 313.4
Status: Custom Synthesis

Omeprazole Impurity 8

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CAT No: VS-O013039
CAS No: N/A
Mol.F.: C17H19N3O3S
Mol.Wt.: 345.4
Status: Custom Synthesis

Omeprazole Impurity 9

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CAT No: VS-O013040
CAS No: N/A
Mol.F.: C16H15N3O3
Mol.Wt.: 297.3
Status: Custom Synthesis

Omeprazole Impurity 10

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CAT No: VS-O013041
CAS No: 14248-66-9
Mol.F.: C7H8N2O3
Mol.Wt.: 168.2
Status: Out of Stock

Omeprazole Impurity 11

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CAT No: VS-O013042
CAS No: N/A
Mol.F.: C16H19N3O2
Mol.Wt.: 285.3
Status: Custom Synthesis

Omeprazole Impurity 12

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CAT No: VS-O013043
CAS No: N/A
Mol.F.: C17H17N3O4S
Mol.Wt.: 359.4
Status: Custom Synthesis

Omeprazole Impurity 13

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CAT No: VS-O013044
CAS No: 1346600-29-0
Mol.F.: C26H30N4O3S
Mol.Wt.: 478.6
Status: Custom Synthesis

Omeprazole sulfide N-Oxide

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CAT No: VS-O013045
CAS No: 142885-92-5
Mol.F.: C17H19N3O3S
Mol.Wt.: 345.42
Status: Custom Synthesis

Omeprazole N-Methyl Impurity

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CAT No: VS-O013046
CAS No: N/A
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.44
Status: Custom Synthesis

Omeprazole Hydrolysis Impurity

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CAT No: VS-O013047
CAS No: 1227380-90-6
Mol.F.: C16H15N3O4
Mol.Wt.: 313.31
Status: Custom Synthesis

Omeprazole Impurity 14

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CAT No: VS-O013048
CAS No: N/A
Mol.F.: C17H17N3O4
Mol.Wt.: 327.34
Status: Custom Synthesis

Omeprazole Impurity 15

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CAT No: VS-O013049
CAS No: N/A
Mol.F.: C17H17N3O4
Mol.Wt.: 327.34
Status: Custom Synthesis

Omeprazole Impurity 16

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CAT No: VS-O013050
CAS No: 187222-13-5
Mol.F.: C10H12O4
Mol.Wt.: 196.2
Status: Custom Synthesis

Omeprazole Impurity 17

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CAT No: VS-O013051
CAS No: 2451927-87-8
Mol.F.: C17H17N3O2S
Mol.Wt.: 327.4
Status: Custom Synthesis

Omeprazole Impurity 18

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CAT No: VS-O013052
CAS No: NA
Mol.F.: C17H19N3O2
Mol.Wt.: 297.4
Status: Custom Synthesis

Omeprazole Impurity 19

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CAT No: VS-O013053
CAS No: 1346240-11-6
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Status: Custom Synthesis

Omeprazole Impurity 20

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CAT No: VS-O013054
CAS No: N/A
Mol.F.: C16H17N3O3S
Mol.Wt.: 331.39
Status: Custom Synthesis

4-Methoxy-3,5-dimethylpyridine 1-Oxide

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CAT No: VS-O013055
CAS No: 91219-89-5
Mol.F.: C8H11NO2
Mol.Wt.: 153.18
Status: Custom Synthesis

Omeprazole Impurity 21

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CAT No: VS-O013056
CAS No: 220771-03-9
Mol.F.: C8H10ClNO
Mol.Wt.: 171.6
Status: Custom Synthesis

 N-Methyl Omeprazole (Mixture Of Isomers With The Methylated Nitrogens Of Imidazole)

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CAT No: VS-O013057
CAS No: NA
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.13
Status: Custom Synthesis

Omeprazole Impurity 22

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CAT No: VS-O013058
CAS No: 91219-90-8
Mol.F.: C11H15NO3
Mol.Wt.: 209.2
Status: In Stock

Omeprazole Impurity 23

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CAT No: VS-O013059
CAS No: 151602-50-5
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.4
Status: In Stock

Omeprazole Impurity 24

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CAT No: VS-O013060
CAS No: 86604-80-0
Mol.F.: C9H13NO2
Mol.Wt.: 167.2
Status: In Stock

Omeprazole Impurity 25

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CAT No: VS-O013061
CAS No: 86604-78-6
Mol.F.: C9H13NO2
Mol.Wt.: 167.21
Status: In Stock

Omeprazole Impurity 26

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CAT No: VS-O013062
CAS No: 695-98-7
Mol.F.: C8H11N
Mol.Wt.: 121.18
Status: In Stock

4'-Desmethoxy Omeprazole

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CAT No: VS-O013063
CAS No: 73590-60-0
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.39
Status: Custom Synthesis

Omeprazole Impurity 27

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CAT No: VS-O013064
CAS No: NA
Mol.F.: C16H17N3O3S
Mol.Wt.: 331.39
Status: Custom Synthesis

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Correo electrónico

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