Omeprazole

Buy high quality Omeprazole Impurities from Chemicea Pharma. Chemicea Pharma is one of the leading manufacturer and exporter of Omeprazole impurities. We synthesize Omeprazole Degradation Impurities, Omeprazole Process Impurities, Omeprazole Potential Impurities, Omeprazole USP Related Compound, Omeprazole N-Nitroso impurities, Omeprazole nitrosamine impurities etc.

Pharmaceutical Reference Standards

Omeprazole

CAT. No.	CP-O9000
CAS. No.	73590-58-6
Mol. F.	C17H19N3O3S
Mol. Wt.	345.42
Stock Status:	In Stock

Omeprazole EP Impurity A

CAT. No.	CP-O9001
CAS. No.	37052-78-1
Mol. F.	C8H8N2OS
Mol. Wt.	180.22
Stock Status:	In Stock

Omeprazole EP Impurity B

CAT. No.	CP-O9002
CAS. No.	110374-16-8
Mol. F.	C16H17N3O2S
Mol. Wt.	315.39
Stock Status:	In Stock

Omeprazole EP Impurity C

CAT. No.	CP-O9003
CAS. No.	73590-85-9
Mol. F.	C17H19N3O2S
Mol. Wt.	329.42
Stock Status:	In Stock

Omeprazole EP Impurity D

CAT. No.	CP-O9004
CAS. No.	88546-55-8
Mol. F.	C17H19N3O4S
Mol. Wt.	361.42
Stock Status:	In Stock

Omeprazole EP Impurity E

CAT. No.	CP-O9005
CAS. No.	176219-04-8
Mol. F.	C17H19N3O4S
Mol. Wt.	361.42
Stock Status:	In Stock

Omeprazole EP Impurity G

CAT. No.	CP-O9006
CAS. No.	125656-83-9
Mol. F.	C16H13N3O2S
Mol. Wt.	311.36
Stock Status:	Custom Synthesis

Omeprazole EP Impurity H

CAT. No.	CP-O9007
CAS. No.	863029-89-4
Mol. F.	C16H16ClN3O2S
Mol. Wt.	349.83
Stock Status:	In Stock

Omeprazole EP impurity I

CAT. No.	CP-O9009
CAS. No.	158812-85-2
Mol. F.	C17H19N3O5S
Mol. Wt.	377.41
Stock Status:	In Stock

Omeprazole EP Impurity XI

CAT. No.	CP-O9010
CAS. No.	86604-75-3
Mol. F.	C9H12ClNO : HCl
Mol. Wt.	186.65 : 36.46
Stock Status:	In Stock

Omeprazole Related Compound 7

CAT. No.	CP-O9011
CAS. No.	2101206-66-8
Mol. F.	C26H30N4O4S
Mol. Wt.	494.61
Stock Status:	In Stock

Omeprazole Sodium

CAT. No.	CP-O9012
CAS. No.	95510-70-6
Mol. F.	C17H18N3O3S : Na
Mol. Wt.	344.42 : 23.0
Stock Status:	Custom Synthesis

Rel. Cas No: 73590-58-6 (free base)

Omeprazole EP Impurity F

CAT. No.	CP-O9013
CAS. No.	125656-82-8
Mol. F.	C16H13N3O2S
Mol. Wt.	311.36
Stock Status:	Custom Synthesis

Omeprazole Impurity 28

CAT. No.	CP-O9014
CAS. No.	59548-39-9
Mol. F.	C7H10N2O : 2HCl
Mol. Wt.	138.17 : 2(36.46)
Stock Status:	Custom Synthesis

Rel. Cas No: 106658-14-4(HClsalt),102-51-2

Omeprazole Impurity 10

CAT. No.	CP-O9015
CAS. No.	14248-66-9
Mol. F.	C7H8N2O3
Mol. Wt.	168.15
Stock Status:	Custom Synthesis

Omeprazole R-isomer

CAT. No.	CP-O9016
CAS. No.	119141-89-8
Mol. F.	C17H19N3O3S
Mol. Wt.	345.42
Stock Status:	Custom Synthesis

Rel. Cas No: 161796-81-2 (Potassium Salt) ; 161796-77-6 (Sodium Salt)

4-Desmethoxy-4-nitro Omeprazole

CAT. No.	CP-O9017
CAS. No.	317807-10-6
Mol. F.	C16H16N4O4S
Mol. Wt.	360.39
Stock Status:	In Stock

4-Hydroxy Omeprazole Sulfide

CAT. No.	CP-O9018
CAS. No.	103876-98-8
Mol. F.	C16H17N3O2S
Mol. Wt.	315.39
Stock Status:	Custom Synthesis

Omeprazole EP Impurity F and G mixture

CAT. No.	CP-O9019
CAS. No.	NA
Mol. F.	C16H13N3O2S : C16H13N3O2S
Mol. Wt.	311.36 : 311.36
Stock Status:	In Stock

Omeprazole Impurity 30

CAT. No.	CP-O9020
CAS. No.	1346600-29-0
Mol. F.	C26H30N4O3S
Mol. Wt.	478.61
Stock Status:	In Stock

Omeprazole Impurity 31

CAT. No.	CP-O9021
CAS. No.	NA
Mol. F.	C26H30N4O3S
Mol. Wt.	478.61
Stock Status:	In Stock

N-Nitroso Omeprazol

CAT. No.	CP-O9022
CAS. No.	NA
Mol. F.	C17H18N4O4S
Mol. Wt.	374.42
Stock Status:	Please Enquire

N-Nitroso Omeprazole EP Impurity I

CAT. No.	CP-O9023
CAS. No.	NA
Mol. F.	C17H18N4O6S
Mol. Wt.	406.41
Stock Status:	Please Enquire

Omeprazole N-Methyl 5-Methoxy Analog

CAT. No.	CP-O9024
CAS. No.	89352-76-1
Mol. F.	C18H21N3O3S
Mol. Wt.	359.44
Stock Status:	In Stock

Omeprazole N-Methyl 6-Methoxy Analog

CAT. No.	CP-O9025
CAS. No.	784143-42-6
Mol. F.	C18H21N3O3S
Mol. Wt.	359.44
Stock Status:	Custom Synthesis

Omeprazole Pyridone Acid

CAT. No.	CP-O9026
CAS. No.	NA
Mol. F.	C16H14N3O4 : Na
Mol. Wt.	312.31 : 23.0
Stock Status:	Custom Synthesis

4-Hydroxy Omeprazole

CAT. No.	CP-O9027
CAS. No.	301669-82-9
Mol. F.	C16H17N3O3S
Mol. Wt.	331.39
Stock Status:	Custom Synthesis

Omeprazole N1-Methyl 5-Methoxy Thiol

CAT. No.	CP-O9028
CAS. No.	NA
Mol. F.	C9H10N2OS
Mol. Wt.	194.25
Stock Status:	Custom Synthesis

Omeprazole N1-Methyl 6-Methoxy Thiol

CAT. No.	CP-O9029
CAS. No.	NA
Mol. F.	C9H10N2OS
Mol. Wt.	194.25
Stock Status:	Custom Synthesis

Omeprazole Sulfide N1-Methyl 5-Methoxy Analog

CAT. No.	CP-O9030
CAS. No.	2243644-60-0
Mol. F.	C18H21N3O2S
Mol. Wt.	343.44
Stock Status:	Custom Synthesis

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

CAT. No.	CP-O9031
CAS. No.	NA
Mol. F.	C18H21N3O3S : C18H21N3O3S
Mol. Wt.	359.44 : 359.44
Stock Status:	Custom Synthesis

4-Desmethoxy Omeprazole Sulfide

CAT. No.	CP-O9032
CAS. No.	704910-89-4
Mol. F.	C16H17N3OS
Mol. Wt.	299.39
Stock Status:	Custom Synthesis

Bis-Desmethoxy Omeprazole Sulfide

CAT. No.	CP-O9033
CAS. No.	704910-94-1
Mol. F.	C15H15N3S
Mol. Wt.	269.37
Stock Status:	Custom Synthesis

Desulfoxide 4-Demethyl Omeprazole

CAT. No.	CP-O9035
CAS. No.	1384163-92-1
Mol. F.	C16H17N3O2
Mol. Wt.	283.33
Stock Status:	Custom Synthesis

Omeprazole Acid Methyl Ester

CAT. No.	CP-O9036
CAS. No.	120003-83-0
Mol. F.	C18H19N3O5S
Mol. Wt.	389.43
Stock Status:	Custom Synthesis

5-O-Desmethyl Omeprazole Sulfide

CAT. No.	CP-O9037
CAS. No.	103877-02-7
Mol. F.	C16H17N3O2S
Mol. Wt.	315.39
Stock Status:	Custom Synthesis

Omeprazole Impurity 44

CAT. No.	CP-O9038
CAS. No.	NA
Mol. F.	C17H19N3O5S2
Mol. Wt.	409.98
Stock Status:	Custom Synthesis

4-Desmethoxy-4-chloro Omeprazole Sulfide

CAT. No.	CP-O9053
CAS. No.	220757-74-4
Mol. F.	C16H16ClN3OS
Mol. Wt.	333.83
Stock Status:	In Stock

Rel. Cas No: 1250376-48-7 (HCl salt)

N-Nitroso Omeprazole Hydroxymethyl Impurity

CAT. No.	CP-O9054
CAS. No.	287118-45-0
Mol. F.	C9H13NO3
Mol. Wt.	183.21
Stock Status:	Custom Synthesis

(R) Omeprazole Potassium Salt

CAT. No.	CP-O9055
CAS. No.	161796-81-2
Mol. F.	C17H19N3O3S : K
Mol. Wt.	345.42 : 39.13
Stock Status:	Custom Synthesis

Rel. Cas No: 119141-89-8 (free base)

Omeprazole Hydroxymethyl Impurity

CAT. No.	CP-O9056
CAS. No.	96300-88-8
Mol. F.	C9H13NO2 . HCl
Mol. Wt.	167.21 : 36.46
Stock Status:	Custom Synthesis

Rel. Cas No: 86604-78-6 (free base)

Omeprazole Impurity 5

CAT. No.	CP-O9057
CAS. No.	73590-87-1
Mol. F.	C16H17N3OS
Mol. Wt.	299.39
Stock Status:	Custom Synthesis

Omeprazole Impurity 1

CAT. No.	CP-O9058
CAS. No.	151602-50-5
Mol. F.	C16H17N3O2S
Mol. Wt.	315.39
Stock Status:	Custom Synthesis

Omeprazole Impurity 7

CAT. No.	CP-O9059
CAS. No.	1346649-67-9
Mol. F.	C16H15N3O2S
Mol. Wt.	313.38
Stock Status:	Custom Synthesis

Omeprazole Magnesium

CAT. No.	CP-O9060
CAS. No.	95382-33-5
Mol. F.	2(C17H18N3O3S) : Mg
Mol. Wt.	2(344.41) : 24.3
Stock Status:	Custom Synthesis

Omeprazole Impurity 15

CAT. No.	CP-O9061
CAS. No.	149367-83-9
Mol. F.	C8H8N2OS
Mol. Wt.	180.23
Stock Status:	Custom Synthesis

4\'-Desmethoxy Omeprazole

CAT. No.	CP-O9062
CAS. No.	73590-60-0
Mol. F.	C16H17N3O2S
Mol. Wt.	315.39
Stock Status:	Custom Synthesis

Des-Methoxy Esomeprazole

CAT. No.	CP-O9063
CAS. No.	704910-88-3
Mol. F.	C15H15N3OS
Mol. Wt.	285.37
Stock Status:	Custom Synthesis

5-Hydroxy Omeprazole

CAT. No.	CP-O9064
CAS. No.	92340-57-3
Mol. F.	C17H19N3O4S
Mol. Wt.	361.42
Stock Status:	Custom Synthesis

Rel. Cas No: 1215629-45-0 (sodium salt)

Omeprazole Impurity 16

CAT. No.	CP-O9065
CAS. No.	106135-28-8
Mol. F.	C8H8N2O4S
Mol. Wt.	228.22
Stock Status:	Custom Synthesis

Omeprazole Impurity 18

CAT. No.	CP-O9066
CAS. No.	121459-89-0
Mol. F.	C17H18N3O2S+ : Cl
Mol. Wt.	328.41 : 35.45
Stock Status:	Custom Synthesis

Rel. Cas No: 102283-05-6 (free base)

5-Benzyloxy Omeprazole

CAT. No.	CP-O9067
CAS. No.	1215799-39-5
Mol. F.	C23H23N3O3S
Mol. Wt.	421.52
Stock Status:	Custom Synthesis

Omeprazole Impurity 19

CAT. No.	CP-O9068
CAS. No.	86604-80-0
Mol. F.	C9H13NO2
Mol. Wt.	167.21
Stock Status:	Custom Synthesis

Omeprazole Impurity 20

CAT. No.	CP-O9069
CAS. No.	220771-03-9
Mol. F.	C8H10ClNO
Mol. Wt.	171.62
Stock Status:	Custom Synthesis

Rel. Cas No: 220770-99-0 (HCl salt)

Omeprazole Impurity 21

CAT. No.	CP-O9070
CAS. No.	447461-23-6
Mol. F.	C8H11NO
Mol. Wt.	137.18
Stock Status:	Custom Synthesis

Omeprazole Impurity 22

CAT. No.	CP-O9071
CAS. No.	86604-74-2
Mol. F.	C8H10ClNO : HCl
Mol. Wt.	171.62 : 36.46
Stock Status:	Custom Synthesis

Rel. Cas No: 124473-12-7 (free base)

Omeprazole Impurity 24

CAT. No.	CP-O9072
CAS. No.	2451927-87-8
Mol. F.	C17H17N3O2S
Mol. Wt.	327.4
Stock Status:	Custom Synthesis

Omeprazole Impurity 25

CAT. No.	CP-O9073
CAS. No.	2451927-89-0
Mol. F.	C17H17N3O3
Mol. Wt.	311.34
Stock Status:	Custom Synthesis

Omeprazole Impurity 26

CAT. No.	CP-O9074
CAS. No.	2451927-94-7
Mol. F.	C16H17N3O2
Mol. Wt.	283.33
Stock Status:	Custom Synthesis

Omeprazole Impurity 27

CAT. No.	CP-O9075
CAS. No.	2451927-95-8
Mol. F.	C16H17N3O3
Mol. Wt.	299.33
Stock Status:	Custom Synthesis

Omeprazole Impurity 29

CAT. No.	CP-O9076
CAS. No.	20033-99-2
Mol. F.	C9H10N2O2
Mol. Wt.	178.19
Stock Status:	Custom Synthesis

Omeprazole Impurity 35

CAT. No.	CP-O9077
CAS. No.	477585-18-5
Mol. F.	C10H15NO4S
Mol. Wt.	245.29
Stock Status:	Custom Synthesis

Omeprazole Impurity 36

CAT. No.	CP-O9078
CAS. No.	119-81-3
Mol. F.	C9H10N2O4
Mol. Wt.	210.19
Stock Status:	Custom Synthesis

Omeprazole Impurity 37

CAT. No.	CP-O9079
CAS. No.	1346599-85-6
Mol. F.	C26H30N4O4S
Mol. Wt.	494.61
Stock Status:	Custom Synthesis

Omeprazole Impurity 38

CAT. No.	CP-O9080
CAS. No.	91219-89-5
Mol. F.	C8H11NO2
Mol. Wt.	153.18
Stock Status:	Custom Synthesis

5-O-Desmethyl Omeprazole

CAT. No.	CP-O9081
CAS. No.	151602-49-2
Mol. F.	C16H17N3O3S
Mol. Wt.	331.39
Stock Status:	Custom Synthesis

Rel. Cas No: 1648793-36-5 (sodium salt)

Omeprazole Impurity 40

CAT. No.	CP-O9082
CAS. No.	91219-90-8
Mol. F.	C11H15NO3
Mol. Wt.	209.25
Stock Status:	Custom Synthesis

Rel. Cas No: 142913-07-3 (Hcl salt)

Omeprazole Impurity 41

CAT. No.	CP-O9083
CAS. No.	2924835-55-0
Mol. F.	C26H30N4O3S
Mol. Wt.	478.61
Stock Status:	Custom Synthesis

Omeprazole Impurity 42

CAT. No.	CP-O9084
CAS. No.	853950-49-9
Mol. F.	C16H16N4O4S
Mol. Wt.	360.39
Stock Status:	Custom Synthesis

Rel. Cas No: 853950-49-9 (sodium salt)

Omeprazole Impurity 43

CAT. No.	CP-O9085
CAS. No.	2555002-22-5
Mol. F.	C16H17N3O2
Mol. Wt.	283.33
Stock Status:	Custom Synthesis

Omeprazole Impurity 45

CAT. No.	CP-O9086
CAS. No.	142885-95-8
Mol. F.	C10H12N2O4
Mol. Wt.	224.22
Stock Status:	Custom Synthesis

Omeprazole Desmethyl Pyridine Impurity

CAT. No.	CP-O9087
CAS. No.	124473-15-0
Mol. F.	C16H17N3O3S
Mol. Wt.	331.39
Stock Status:	Custom Synthesis

Omeprazole N-Oxide Impurity 1

CAT. No.	CP-O9088
CAS. No.	142885-92-5
Mol. F.	C17H19N3O3S
Mol. Wt.	345.42
Stock Status:	Custom Synthesis

Omeprazole Related Compound 1

CAT. No.	CP-O9089
CAS. No.	NA
Mol. F.	C16H8F6N4O2S2
Mol. Wt.	466.38
Stock Status:	Custom Synthesis

Omeprazole Impurity 53

CAT. No.	CP-O9090
CAS. No.	2350318-72-6
Mol. F.	C17H20N3O3
Mol. Wt.	314.36
Stock Status:	Custom Synthesis

N-Nitroso Omeprazole EP Impurity C

CAT. No.	CP-O9091
CAS. No.	NA
Mol. F.	C17H18N4O3S
Mol. Wt.	358.42
Stock Status:	Please Enquire

Omeprazole Impurity 55

CAT. No.	CP-O9093
CAS. No.	NA
Mol. F.	C16H17N3O3S
Mol. Wt.	331.39
Stock Status:	Custom Synthesis

a b c d e f g h i j k l m n o p q r s t u v w x y z

Omeprazole

Pharmaceutical Reference Standards

Omeprazole

Omeprazole EP Impurity A

Omeprazole EP Impurity B

Omeprazole EP Impurity C

Omeprazole EP Impurity D

Omeprazole EP Impurity E

Omeprazole EP Impurity G

Omeprazole EP Impurity H

Omeprazole EP impurity I

Omeprazole EP Impurity XI

Omeprazole Related Compound 7

Omeprazole Sodium

Omeprazole EP Impurity F

Omeprazole Impurity 28

Omeprazole Impurity 10

Omeprazole R-isomer

4-Desmethoxy-4-nitro Omeprazole

4-Hydroxy Omeprazole Sulfide

Omeprazole EP Impurity F and G mixture

Omeprazole Impurity 30

Omeprazole Impurity 31

N-Nitroso Omeprazol

N-Nitroso Omeprazole EP Impurity I

Omeprazole N-Methyl 5-Methoxy Analog

Omeprazole N-Methyl 6-Methoxy Analog

Omeprazole Pyridone Acid

4-Hydroxy Omeprazole

Omeprazole N1-Methyl 5-Methoxy Thiol

Omeprazole N1-Methyl 6-Methoxy Thiol

Omeprazole Sulfide N1-Methyl 5-Methoxy Analog

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

4-Desmethoxy Omeprazole Sulfide

Bis-Desmethoxy Omeprazole Sulfide

Desulfoxide 4-Demethyl Omeprazole

Omeprazole Acid Methyl Ester

5-O-Desmethyl Omeprazole Sulfide

Omeprazole Impurity 44

4-Desmethoxy-4-chloro Omeprazole Sulfide

N-Nitroso Omeprazole Hydroxymethyl Impurity

(R) Omeprazole Potassium Salt

Omeprazole Hydroxymethyl Impurity

Omeprazole Impurity 5

Omeprazole Impurity 1

Omeprazole Impurity 7

Omeprazole Magnesium

Omeprazole Impurity 15

4\'-Desmethoxy Omeprazole

Des-Methoxy Esomeprazole

5-Hydroxy Omeprazole

Omeprazole Impurity 16

Omeprazole Impurity 18

5-Benzyloxy Omeprazole

Omeprazole Impurity 19

Omeprazole Impurity 20

Omeprazole Impurity 21

Omeprazole Impurity 22

Omeprazole Impurity 24

Omeprazole Impurity 25

Omeprazole Impurity 26

Omeprazole Impurity 27

Omeprazole Impurity 29

Omeprazole Impurity 35

Omeprazole Impurity 36

Omeprazole Impurity 37

Omeprazole Impurity 38

5-O-Desmethyl Omeprazole

Omeprazole Impurity 40

Omeprazole Impurity 41

Omeprazole Impurity 42

Omeprazole Impurity 43

Omeprazole Impurity 45

Omeprazole Desmethyl Pyridine Impurity

Omeprazole N-Oxide Impurity 1

Omeprazole Related Compound 1

Omeprazole Impurity 53

N-Nitroso Omeprazole EP Impurity C

Omeprazole Impurity 55