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Pharmaceutical Reference Standards

Esomeprazole 

Picture of Esomeprazole 
CAT No: SZ-E001001
CAS No: 119141-88-7
Mol.F. : C17H19N3O3S
Mol.Wt. : 345.4
Inv. Status: Custom Synthesis
SZ-E001001
CAS No:119141-88-7
Mol.F.: C17H19N3O3S 
Mol.Wt.: 345.4 
Inv. Status: Custom Synthesis

Esomeprazole EP Impurity A

Picture of Esomeprazole EP Impurity A
CAT No: SZ-E001002
CAS No: 37052-78-1
Mol.F. : C8H8N2OS
Mol.Wt. : 180.2
Inv. Status: Custom Synthesis
Rel. CAT No : SZ-O004002,
SZ-E001002
CAS No:37052-78-1
Mol.F.: C8H8N2OS
Mol.Wt.: 180.2
Inv. Status: Custom Synthesis

Esomeprazole EP Impurity B

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CAT No: SZ-E001003
CAS No: 110374-16-8
Mol.F. : C16H17N3O2S
Mol.Wt. : 315.4
Inv. Status: Custom Synthesis
SZ-E001003
CAS No:110374-16-8
Mol.F.: C16H17N3O2S
Mol.Wt.: 315.4
Inv. Status: Custom Synthesis

Esomeprazole EP Impurity C

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CAT No: SZ-E001004
CAS No: 73590-85-9
Mol.F. : C17H19N3O2S
Mol.Wt. : 329.4
Inv. Status: Out of Stock
SZ-E001004
CAS No:73590-85-9
Mol.F.: C17H19N3O2S
Mol.Wt.: 329.4
Inv. Status: Out of Stock

Esomeprazole EP Impurity D

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CAT No: SZ-E001005
CAS No: 88546-55-8
Mol.F. : C17H19N3O4S
Mol.Wt. : 361.4
Inv. Status: Custom Synthesis
SZ-E001005
CAS No:88546-55-8
Mol.F.: C17H19N3O4S
Mol.Wt.: 361.4
Inv. Status: Custom Synthesis

Esomeprazole EP Impurity E

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CAT No: SZ-E001006
CAS No: 176219-04-8
Mol.F. : C17H19N3O4S
Mol.Wt. : 361.4
Inv. Status: Custom Synthesis
SZ-E001006
CAS No:176219-04-8
Mol.F.: C17H19N3O4S
Mol.Wt.: 361.4
Inv. Status: Custom Synthesis

Esomeprazole EP Impurity F

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CAT No: SZ-E001007
CAS No: 125656-82-8
Mol.F. : C16H13N3O2S
Mol.Wt. : 311.4
Inv. Status: Custom Synthesis
SZ-E001007
CAS No:125656-82-8
Mol.F.: C16H13N3O2S
Mol.Wt.: 311.4
Inv. Status: Custom Synthesis

Esomeprazole Magnesium Dihydrate

Picture of Esomeprazole Magnesium Dihydrate
CAT No: SZ-E001008
CAS No: 217087-10-0
Mol.F. : C34H36MgN6O6S2,2H2O
Mol.Wt. : 749.2
Inv. Status: Custom Synthesis
Rel. CAS No : 161973-10-0 (free base)
SZ-E001008
CAS No:217087-10-0
Mol.F.: C34H36MgN6O6S2,2H2O
Mol.Wt.: 749.2
Inv. Status: Custom Synthesis
Rel. CAS No : 161973-10-0 (free base)

Esomeprazole Magnesium Trihydrate

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CAT No: SZ-E001009
CAS No: 217087-09-7
Mol.F. : C34H36MgN6O6S2 : 3(H2O)
Mol.Wt. : 767.2 : 3(18.0)
Inv. Status: In Stock
SZ-E001009
CAS No:217087-09-7
Mol.F.: C34H36MgN6O6S2 : 3(H2O)
Mol.Wt.: 767.2 : 3(18.0)
Inv. Status: In Stock

Esomeprazole Potassium

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CAT No: SZ-E001010
CAS No: 161796-84-5
Mol.F. : C17H19N3O3S : K
Mol.Wt. : 345.4 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 119141-88-7 (free base)
SZ-E001010
CAS No:161796-84-5
Mol.F.: C17H19N3O3S : K
Mol.Wt.: 345.4 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 119141-88-7 (free base)

Esomeprazole Sodium

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CAT No: SZ-E001011
CAS No: 161796-78-7
Mol.F. : C17H19N3O3S : Na
Mol.Wt. : 345.4 : 23.0
Inv. Status: In Stock
Rel. CAS No : 119141-88-7 (free base)
SZ-E001011
CAS No:161796-78-7
Mol.F.: C17H19N3O3S : Na
Mol.Wt.: 345.4 : 23.0
Inv. Status: In Stock
Rel. CAS No : 119141-88-7 (free base)

Esomeprazole Magnesium

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CAT No: SZ-E001012
CAS No: 161973-10-0
Mol.F. : C34H36MgN6O6S2
Mol.Wt. : 713.1
Inv. Status: Custom Synthesis
SZ-E001012
CAS No:161973-10-0
Mol.F.: C34H36MgN6O6S2
Mol.Wt.: 713.1
Inv. Status: Custom Synthesis

Esomeprazole Impurity 1

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CAT No: SZ-E001013
CAS No: 2080-75-3
Mol.F. : C8H8N2O2
Mol.Wt. : 164.2
Inv. Status: In Stock
SZ-E001013
CAS No:2080-75-3
Mol.F.: C8H8N2O2
Mol.Wt.: 164.2
Inv. Status: In Stock

4-Desmethoxy-4-Nitro Esomeprazole

Picture of 4-Desmethoxy-4-Nitro Esomeprazole
CAT No: SZ-E001015
CAS No: 317807-10-6
Mol.F. : C16H16N4O4S
Mol.Wt. : 360.4
Inv. Status: Custom Synthesis
SZ-E001015
CAS No:317807-10-6
Mol.F.: C16H16N4O4S
Mol.Wt.: 360.4
Inv. Status: Custom Synthesis

Desmethoxy Keto Esomeprazole

Picture of Desmethoxy Keto Esomeprazole
CAT No: SZ-E001016
CAS No: 2362529-32-4
Mol.F. : C16H17N3O3S
Mol.Wt. : 331.4
Inv. Status: Custom Synthesis
SZ-E001016
CAS No:2362529-32-4
Mol.F.: C16H17N3O3S
Mol.Wt.: 331.4
Inv. Status: Custom Synthesis

Esomeprazole Impurity 2

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CAT No: SZ-E001018
CAS No: 2512216-37-2
Mol.F. : C16H17N3O2
Mol.Wt. : 283.3
Inv. Status: Custom Synthesis
SZ-E001018
CAS No:2512216-37-2
Mol.F.: C16H17N3O2
Mol.Wt.: 283.3
Inv. Status: Custom Synthesis

Esomeprazole Impurity 3

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CAT No: SZ-E001019
CAS No: 2819805-13-3
Mol.F. : C32H28N6O7
Mol.Wt. : 608.6
Inv. Status: Custom Synthesis
SZ-E001019
CAS No:2819805-13-3
Mol.F.: C32H28N6O7
Mol.Wt.: 608.6
Inv. Status: Custom Synthesis

Esomeprazole Impurity 4

Picture of Esomeprazole Impurity 4
CAT No: SZ-E001020
CAS No: 1831938-48-7
Mol.F. : C16H17N3O2
Mol.Wt. : 283.3
Inv. Status: In Stock
SZ-E001020
CAS No:1831938-48-7
Mol.F.: C16H17N3O2
Mol.Wt.: 283.3
Inv. Status: In Stock

Esomeprazole Impurity 5

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CAT No: SZ-E001021
CAS No: 727375-13-5
Mol.F. : C8H11NO2
Mol.Wt. : 153.2
Inv. Status: Custom Synthesis
SZ-E001021
CAS No:727375-13-5
Mol.F.: C8H11NO2
Mol.Wt.: 153.2
Inv. Status: Custom Synthesis

Esomeprazole Impurity 6

Picture of Esomeprazole Impurity 6
CAT No: SZ-E001022
CAS No: 1227380-90-6
Mol.F. : C16H15N3O4
Mol.Wt. : 313.3
Inv. Status: Limited Stock
Rel. CAS No : 2172852-91-2 (HCl salt)
SZ-E001022
CAS No:1227380-90-6
Mol.F.: C16H15N3O4
Mol.Wt.: 313.3
Inv. Status: Limited Stock
Rel. CAS No : 2172852-91-2 (HCl salt)

Esomeprazole Impurity 7

Picture of Esomeprazole Impurity 7
CAT No: SZ-E001023
CAS No: 92806-98-9
Mol.F. : C7H6N2OS
Mol.Wt. : 166.2
Inv. Status: Custom Synthesis
SZ-E001023
CAS No:92806-98-9
Mol.F.: C7H6N2OS
Mol.Wt.: 166.2
Inv. Status: Custom Synthesis

5-Hydroxy Esomeprazole

Picture of 5-Hydroxy Esomeprazole
CAT No: SZ-E001024
CAS No: 196489-27-7
Mol.F. : C18H21N3O4S
Mol.Wt. : 375.4
Inv. Status: Custom Synthesis
SZ-E001024
CAS No:196489-27-7
Mol.F.: C18H21N3O4S
Mol.Wt.: 375.4
Inv. Status: Custom Synthesis

N-Methyl Esomeprazole Isomer-2

Picture of N-Methyl Esomeprazole Isomer-2
CAT No: SZ-E001025
CAS No: 1346240-11-6
Mol.F. : C18H21N3O3S
Mol.Wt. : 359.4
Inv. Status: In Stock
SZ-E001025
CAS No:1346240-11-6
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Inv. Status: In Stock

N-Methyl Esomeprazole Isomer-1

Picture of N-Methyl Esomeprazole Isomer-1
CAT No: SZ-E001026
CAS No: 1820041-19-7
Mol.F. : C18H21N3O3S
Mol.Wt. : 359.4
Inv. Status: In Stock
SZ-E001026
CAS No:1820041-19-7
Mol.F.: C18H21N3O3S
Mol.Wt.: 359.4
Inv. Status: In Stock

Esomeprazole Impurity 9

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CAT No: SZ-E001027
CAS No: NA
Mol.F. : C16H17N3O3S
Mol.Wt. : 331.4
Inv. Status: Custom Synthesis
SZ-E001027
CAS No:NA
Mol.F.: C16H17N3O3S
Mol.Wt.: 331.4
Inv. Status: Custom Synthesis

Esomeprazole Impurity 10

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CAT No: SZ-E001028
CAS No: 1256794-80-5
Mol.F. : C8H8ClNO
Mol.Wt. : 169.6
Inv. Status: Custom Synthesis
SZ-E001028
CAS No:1256794-80-5
Mol.F.: C8H8ClNO
Mol.Wt.: 169.6
Inv. Status: Custom Synthesis

Esomeprazole Impurity 11

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CAT No: SZ-E001031
CAS No: NA
Mol.F. : C17H20N3O2S : I
Mol.Wt. : 330.4 : 126.9
Inv. Status: Custom Synthesis
Rel. CAS No : 125656-79-3 (free base)
SZ-E001031
CAS No:NA
Mol.F.: C17H20N3O2S : I
Mol.Wt.: 330.4 : 126.9
Inv. Status: Custom Synthesis
Rel. CAS No : 125656-79-3 (free base)

Esomeprazole Impurity 12

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CAT No: SZ-E001033
CAS No: 143016-68-6
Mol.F. : C8H9Cl2N : HCl
Mol.Wt. : 190.1 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 142885-96-9 (free base)
SZ-E001033
CAS No:143016-68-6
Mol.F.: C8H9Cl2N : HCl
Mol.Wt.: 190.1 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 142885-96-9 (free base)

Esomeprazole Impurity 13

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CAT No: SZ-E001034
CAS No: 143016-67-5
Mol.F. : C8H9ClN2O2 : HCl
Mol.Wt. : 200.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 153476-68-7 (free base)
SZ-E001034
CAS No:143016-67-5
Mol.F.: C8H9ClN2O2 : HCl
Mol.Wt.: 200.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 153476-68-7 (free base)

Esomeprazole Impurity 14

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CAT No: SZ-E001035
CAS No: NA
Mol.F. : C10H13Cl2NO
Mol.Wt. : 234.1
Inv. Status: Custom Synthesis
SZ-E001035
CAS No:NA
Mol.F.: C10H13Cl2NO
Mol.Wt.: 234.1
Inv. Status: Custom Synthesis

Esomeprazole Impurity 15

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CAT No: SZ-E001036
CAS No: 149082-03-1
Mol.F. : C8H10N2O3
Mol.Wt. : 182.2
Inv. Status: Custom Synthesis
Rel. CAS No : 143016-69-7 (HCl salt)
SZ-E001036
CAS No:149082-03-1
Mol.F.: C8H10N2O3
Mol.Wt.: 182.2
Inv. Status: Custom Synthesis
Rel. CAS No : 143016-69-7 (HCl salt)

Esomeprazole Impurity 16

Picture of Esomeprazole Impurity 16
CAT No: SZ-E001037
CAS No: 848696-99-1
Mol.F. : C9H13NO
Mol.Wt. : 151.2
Inv. Status: Custom Synthesis
SZ-E001037
CAS No:848696-99-1
Mol.F.: C9H13NO
Mol.Wt.: 151.2
Inv. Status: Custom Synthesis

Esomeprazole Impurity 17

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CAT No: SZ-E001039
CAS No: 2572712-50-4
Mol.F. : C9H14NO2 : C2H5O3S
Mol.Wt. : 168.2 : 109.1
Inv. Status: Custom Synthesis
SZ-E001039
CAS No:2572712-50-4
Mol.F.: C9H14NO2 : C2H5O3S
Mol.Wt.: 168.2 : 109.1
Inv. Status: Custom Synthesis

Esomeprazole Impurity 18

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CAT No: SZ-E001040
CAS No: 848694-10-0
Mol.F. : C9H12ClNO2
Mol.Wt. : 201.7
Inv. Status: Custom Synthesis
SZ-E001040
CAS No:848694-10-0
Mol.F.: C9H12ClNO2
Mol.Wt.: 201.7
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Esomeprazole D6

Picture of Esomeprazole D6
CAT No: SZ-E001D01
CAS No: 922800-06-4
Mol.F. : C17H13D6N3O3S
Mol.Wt. : 351.5
Inv. Status: Custom Synthesis
Rel. CAS No : 922731-04-2 (sodium salt)
SZ-E001D01
CAS No:922800-06-4
Mol.F.: C17H13D6N3O3S
Mol.Wt.: 351.5
Inv. Status: Custom Synthesis
Rel. CAS No : 922731-04-2 (sodium salt)

Esomeprazole D3

Picture of Esomeprazole D3
CAT No: SZ-E001D02
CAS No: NA
Mol.F. : C17H16D3N3O3S
Mol.Wt. : 348.4
Inv. Status: Custom Synthesis
SZ-E001D02
CAS No:NA
Mol.F.: C17H16D3N3O3S
Mol.Wt.: 348.4
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Esomeprazole

Picture of N-Nitroso Esomeprazole
CAT No: SZ-E001017
CAS No: NA
Mol.F. : C16H16N4O3S
Mol.Wt. : 344.4
Inv. Status: Discontinued
SZ-E001017
CAS No:NA
Mol.F.: C16H16N4O3S
Mol.Wt.: 344.4
Inv. Status: Discontinued

Esomeprazole Nitroso Impurity 1

Picture of Esomeprazole Nitroso Impurity 1
CAT No: SZ-E001029
CAS No: NA
Mol.F. : C8H7N3O2S
Mol.Wt. : 209.2
Inv. Status: Discontinued
SZ-E001029
CAS No:NA
Mol.F.: C8H7N3O2S
Mol.Wt.: 209.2
Inv. Status: Discontinued

Esomeprazole Nitroso Impurity 2

Picture of Esomeprazole Nitroso Impurity 2
CAT No: SZ-E001030
CAS No: NA
Mol.F. : C17H18N4O3S
Mol.Wt. : 358.4
Inv. Status: Discontinued
SZ-E001030
CAS No:NA
Mol.F.: C17H18N4O3S
Mol.Wt.: 358.4
Inv. Status: Discontinued

Esomeprazole Nitroso Impurity 3

Picture of Esomeprazole Nitroso Impurity 3
CAT No: SZ-E001032
CAS No: NA
Mol.F. : C18H22N4O4S
Mol.Wt. : 390.5
Inv. Status: Discontinued
SZ-E001032
CAS No:NA
Mol.F.: C18H22N4O4S
Mol.Wt.: 390.5
Inv. Status: Discontinued

N-Nitroso Desmethoxy Esomeprazole

Picture of N-Nitroso Desmethoxy Esomeprazole
CAT No: SZ-E001038
CAS No: NA
Mol.F. : C16H16N4O3S
Mol.Wt. : 344.4
Inv. Status: Custom Synthesis
SZ-E001038
CAS No:NA
Mol.F.: C16H16N4O3S
Mol.Wt.: 344.4
Inv. Status: Custom Synthesis