Omeprazole Related Products 
Venkatasai is a leading innovator in the field of pharmaceutical reference standards, offering high-quality Reference Standards of Abacavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamines (N-NO products). Our Abacavir impurity reference standards play a vital role in pharmaceutical research, supporting product development, ANDA and DMF filings, quality control (QC), method validation, and stability studies. They are also instrumental in identifying unknown impurities and evaluating genotoxic potential. All Abacavir-related products are thoroughly characterized and supplied with comprehensive Certificates of Analysis (COA) and analytical data that comply with regulatory standards. EP/USP traceable standards can also be provided upon request. Furthermore, all supplied products undergo periodic re-testing to ensure continued quality and reliability.
N-Methyl Omeprazole (Mixture Of Isomers With The Methylated Nitrogens Of Imidazole)
CAT No: VS-O013057
CAS No: NA
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.13
Status: Custom Synthesis
(R) Omeprazole Potassium Salt
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
CAT No: VS-O013023
CAS No: 161796-77-6
Mol.F.: C17H19N3O3S : Na
Mol.Wt.: 345.4 : 23.0
Status: In Stock
(R)-Omeprazole
CAT No: VS-O013031
CAS No: 119141-89-8
Mol.F.: C17H19N3O3S
Mol.Wt.: 345.4
Status: In Stock
4'-Desmethoxy Omeprazole
CAT No: VS-O013063
CAS No: 73590-60-0
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.39
Status: Custom Synthesis
4-Desmethoxy Omeprazole Sulfide
CAT No: VS-O013025
CAS No: 704910-89-4
Mol.F.: C16H17N3OS
Mol.Wt.: 299.4
Status: Custom Synthesis
4-Desmethoxy-4-chloro Omeprazole Sulfide
CAT No: VS-O013027
CAS No: 220757-74-4
Mol.F.: C16H16ClN3OS
Mol.Wt.: 333.8
Status: Custom Synthesis
4-Hydroxy Omeprazole Sulfide
CAT No: VS-O013030
CAS No: 103876-98-8
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.4
Status: In Stock
4-Methoxy-3,5-dimethylpyridine 1-Oxide
CAT No: VS-O013055
CAS No: 91219-89-5
Mol.F.: C8H11NO2
Mol.Wt.: 153.18
Status: Custom Synthesis
Bis-Desmethoxy Omeprazole Sulfide
CAT No: VS-O013026
CAS No: 704910-94-1
Mol.F.: C15H15N3S
Mol.Wt.: 269.4
Status: Custom Synthesis
Desulfoxide 4-Demethyl Omeprazole
CAT No: VS-O013029
CAS No: 1384163-92-1
Mol.F.: C16H17N3O2
Mol.Wt.: 283.3
Status: Custom Synthesis
Mixture of N-Methyl 5-Methoxy & N-Methyl 6-Methoxy Analog
CAT No: VS-O013021
CAS No: N/A
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Status: Custom Synthesis
Omeprazole 4-Desmethyl Impurity
CAT No: VS-O013016
CAS No: 301669-82-9
Mol.F.: C16H17N3O3S
Mol.Wt.: 331.4
Status: Custom Synthesis
Omeprazole Dimer Impurity
CAT No: VS-O013028
CAS No: N/A
Mol.F.: C26H27N5O4S2
Mol.Wt.: 537.7
Status: Custom Synthesis
Omeprazole EP Impurity A
CAT No: VS-O013002
CAS No: 37052-78-1
Mol.F.: C8H8N2OS
Mol.Wt.: 180.2
Status: In Stock
Omeprazole EP Impurity B
CAT No: VS-O013003
CAS No: 110374-16-8
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.4
Status: In Stock
Omeprazole EP Impurity C
CAT No: VS-O013004
CAS No: 73590-85-9
Mol.F.: C17H19N3O2S
Mol.Wt.: 329.4
Status: In Stock
Omeprazole EP Impurity D
CAT No: VS-O013005
CAS No: 88546-55-8
Mol.F.: C17H19N3O4S
Mol.Wt.: 361.4
Status: In Stock
Omeprazole EP Impurity E
CAT No: VS-O013006
CAS No: 176219-04-8
Mol.F.: C17H19N3O4S
Mol.Wt.: 361.4
Status: Limited Stock
Omeprazole EP Impurity F
CAT No: VS-O013007
CAS No: 125656-82-8
Mol.F.: C16H13N3O2S
Mol.Wt.: 311.4
Status: Out of Stock
Omeprazole EP Impurity F and G Mixture
CAT No: VS-O013009
CAS No: N/A
Mol.F.: C16H13N3O2S
Mol.Wt.: 311.4
Status: Custom Synthesis
Omeprazole EP Impurity G
CAT No: VS-O013008
CAS No: 125656-83-9
Mol.F.: C16H13N3O2S
Mol.Wt.: 311.4
Status: In Stock
Omeprazole EP Impurity H
CAT No: VS-O013010
CAS No: 863029-89-4
Mol.F.: C16H16ClN3O2S
Mol.Wt.: 349.8
Status: In Stock
Omeprazole EP Impurity I
CAT No: VS-O013011
CAS No: 158812-85-2
Mol.F.: C17H19N3O5S
Mol.Wt.: 377.4
Status: In Stock
Omeprazole EP Impurity XI
CAT No: VS-O013012
CAS No: 86604-75-3
Mol.F.: C9H12ClNO : HCl
Mol.Wt.: 185.7 : 36.5
Status: Custom Synthesis
Omeprazole Hydrolysis Impurity
CAT No: VS-O013047
CAS No: 1227380-90-6
Mol.F.: C16H15N3O4
Mol.Wt.: 313.31
Status: Custom Synthesis
Omeprazole Hydroxymethyl Impurity
CAT No: VS-O013024
CAS No: 96300-88-8
Mol.F.: C9H13NO2 . HCl
Mol.Wt.: 167.2 : 36.5
Status: Custom Synthesis
Omeprazole Impurity 10
CAT No: VS-O013041
CAS No: 14248-66-9
Mol.F.: C7H8N2O3
Mol.Wt.: 168.2
Status: Out of Stock
Omeprazole Impurity 11
CAT No: VS-O013042
CAS No: N/A
Mol.F.: C16H19N3O2
Mol.Wt.: 285.3
Status: Custom Synthesis
Omeprazole Impurity 12
CAT No: VS-O013043
CAS No: N/A
Mol.F.: C17H17N3O4S
Mol.Wt.: 359.4
Status: Custom Synthesis
Omeprazole Impurity 13
CAT No: VS-O013044
CAS No: 1346600-29-0
Mol.F.: C26H30N4O3S
Mol.Wt.: 478.6
Status: Custom Synthesis
Omeprazole Impurity 14
CAT No: VS-O013048
CAS No: N/A
Mol.F.: C17H17N3O4
Mol.Wt.: 327.34
Status: Custom Synthesis
Omeprazole Impurity 15
CAT No: VS-O013049
CAS No: N/A
Mol.F.: C17H17N3O4
Mol.Wt.: 327.34
Status: Custom Synthesis
Omeprazole Impurity 16
CAT No: VS-O013050
CAS No: 187222-13-5
Mol.F.: C10H12O4
Mol.Wt.: 196.2
Status: Custom Synthesis
Omeprazole Impurity 17
CAT No: VS-O013051
CAS No: 2451927-87-8
Mol.F.: C17H17N3O2S
Mol.Wt.: 327.4
Status: Custom Synthesis
Omeprazole Impurity 18
CAT No: VS-O013052
CAS No: NA
Mol.F.: C17H19N3O2
Mol.Wt.: 297.4
Status: Custom Synthesis
Omeprazole Impurity 19
CAT No: VS-O013053
CAS No: 1346240-11-6
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Status: Custom Synthesis
Omeprazole Impurity 2
CAT No: VS-O013033
CAS No: N/A
Mol.F.: C7H6N2S
Mol.Wt.: 150.2
Status: Custom Synthesis
Omeprazole Impurity 20
CAT No: VS-O013054
CAS No: N/A
Mol.F.: C16H17N3O3S
Mol.Wt.: 331.39
Status: Custom Synthesis
Omeprazole Impurity 21
CAT No: VS-O013056
CAS No: 220771-03-9
Mol.F.: C8H10ClNO
Mol.Wt.: 171.6
Status: Custom Synthesis
Omeprazole Impurity 22
CAT No: VS-O013058
CAS No: 91219-90-8
Mol.F.: C11H15NO3
Mol.Wt.: 209.2
Status: In Stock
Omeprazole Impurity 23
CAT No: VS-O013059
CAS No: 151602-50-5
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.4
Status: In Stock
Omeprazole Impurity 24
CAT No: VS-O013060
CAS No: 86604-80-0
Mol.F.: C9H13NO2
Mol.Wt.: 167.2
Status: In Stock
Omeprazole Impurity 25
CAT No: VS-O013061
CAS No: 86604-78-6
Mol.F.: C9H13NO2
Mol.Wt.: 167.21
Status: In Stock
Omeprazole Impurity 26
CAT No: VS-O013062
CAS No: 695-98-7
Mol.F.: C8H11N
Mol.Wt.: 121.18
Status: In Stock
Omeprazole Impurity 27
CAT No: VS-O013064
CAS No: NA
Mol.F.: C16H17N3O3S
Mol.Wt.: 331.39
Status: Custom Synthesis
Omeprazole Impurity 28
CAT No: VS-O013065
CAS No: 2451927-88-9
Mol.F.: C17H19N3O3
Mol.Wt.: 313.4
Status: Custom Synthesis
Omeprazole Impurity 3
CAT No: VS-O013034
CAS No: N/A
Mol.F.: C16H17N3O2
Mol.Wt.: 283.3
Status: Custom Synthesis
Omeprazole Impurity 4
CAT No: VS-O013035
CAS No: N/A
Mol.F.: C16H17N3O2
Mol.Wt.: 283.3
Status: Custom Synthesis
Omeprazole Impurity 5
CAT No: VS-O013036
CAS No: 73590-87-1
Mol.F.: C16H17N3OS
Mol.Wt.: 299.4
Status: Custom Synthesis
Omeprazole Impurity 6
CAT No: VS-O013037
CAS No: N/A
Mol.F.: C8H10ClNO
Mol.Wt.: 171.6
Status: Custom Synthesis
Omeprazole Impurity 7
CAT No: VS-O013038
CAS No: 1346649-67-9
Mol.F.: C16H15N3O2S
Mol.Wt.: 313.4
Status: Custom Synthesis
Omeprazole Impurity 8
CAT No: VS-O013039
CAS No: N/A
Mol.F.: C17H19N3O3S
Mol.Wt.: 345.4
Status: Custom Synthesis
Omeprazole Impurity 9
CAT No: VS-O013040
CAS No: N/A
Mol.F.: C16H15N3O3
Mol.Wt.: 297.3
Status: Custom Synthesis
Omeprazole Magnesium
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 N1-Methyl 5-Methoxy Thiol Impurity
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
CAT No: VS-O013018
CAS No: N/A
Mol.F.: C9H10N2OS
Mol.Wt.: 194.3
Status: Custom Synthesis
Omeprazole N-Methyl 5-Methoxy Analog
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
CAT No: VS-O013014
CAS No: 784143-42-6
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Status: In Stock
Omeprazole N-Methyl Impurity
CAT No: VS-O013046
CAS No: N/A
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.44
Status: Custom Synthesis
Omeprazole Pyridone Acid Sodium Salt
CAT No: VS-O013015
CAS No: N/A
Mol.F.: C16H14N3O4 : Na
Mol.Wt.: 312.3 : 23.0
Status: Custom Synthesis
Omeprazole Sodium
CAT No: VS-O013001
CAS No: 95510-70-6
Mol.F.: C17H19N3O3S : Na
Mol.Wt.: 345.4 : 23.0
Status: Custom Synthesis
Omeprazole Sulfide N1-Methyl 5-Methoxy Analog
CAT No: VS-O013019
CAS No: 2243644-60-0
Mol.F.: C18H21N3O2S
Mol.Wt.: 343.4
Status: Custom Synthesis
Omeprazole sulfide N-Oxide
CAT No: VS-O013045
CAS No: 142885-92-5
Mol.F.: C17H19N3O3S
Mol.Wt.: 345.42
Status: Custom Synthesis
Omeprazole S-Isomer
CAT No: VS-O013020
CAS No: 119141-88-7
Mol.F.: C17H19N3O3S
Mol.Wt.: 345.4
Status: Custom Synthesis
