- Impurity reference substance
Product Center
Product List
Esomeprazole impurity 20
(4-methoxy-3,5-dimethylpyridin-2-yl)methanol
product code：KPS-ASZ-20
purity：100%
package：10mg；25mg；50mg；100mg
CAS：86604-78-6
Molecular formula：C9H13NO2
Mole molecular weight：167.21
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity 25
sodium 5-methoxy-2-sulfinatobenzo[d]imidazol-1-id
product code：KPS-ASZ002-25
purity：99.30%
package：100mg；50mg；25mg；10mg
CAS：N/A
Molecular formula：C8H6N2O3S.2Na
Mole molecular weight：256.19
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity 24
4-methoxy-2-((5-methoxy-1H-benzo[d]imidazol-2-yl)methyl)-3,5-dimethylpyridine 1-oxide
product code：KPS-ASZ002-24
purity：99.82%
package：100mg；50mg；25mg；10mg
CAS：N/A
Molecular formula：C17H19N3O3
Mole molecular weight：313.36
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity 23
5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfonyl)-1-methyl-1H-benzo[d]imidazole compound with 6-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfonyl)-1-methyl-1H-benzo[d]imidazole
product code：KPS-ASZ002-23
purity：99.19%
package：100mg；50mg；25mg；10mg
CAS：N/A
Molecular formula：C36H42N6O8S2
Mole molecular weight：750.89
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity 22
5-methoxy-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-1H-benzo[d]imidazole
product code：KPS-ASZ-22
purity：98.19%
package：10mg；25mg；50mg；100mg
CAS：N/A
Molecular formula：C17H19N3O2
Mole molecular weight：297.36
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity RS
8-methoxy-1,3-dimethyl-12-thioxobenzo[4',5']imidazo[2',1':2,3]imidazo[1,5-a]pyridin-2(12H)-one compound with 9-methoxy-1,3-dimethyl-12-thioxobenzo[4',
product code：KPS-ASZ-RS
purity：98%
package：10mg；25mg；50mg；100mg
CAS：125656-82-8，125656-83-9
Molecular formula：C32H26N6O4S2
Mole molecular weight：622.72
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity K
(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole compound with 6-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(
product code：KPS-ASZ-K
purity：99.47%
package：10mg；25mg；50mg；100mg
CAS：N/A
Molecular formula：C26H30N4O4S
Mole molecular weight：494.61
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity J
2-(((4-chloro-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-6-methoxy-1H-benzo[d]imidazole
product code：KPS-ASZ-J
purity：100.00%
package：10mg；25mg；50mg；100mg
CAS：863029-89-4
Molecular formula：C16H16ClN3O2S
Mole molecular weight：349.83
use：It is only used for identification and inspection in R & D test
Esomeprazole impurity I
4-methoxy-2-(((6-methoxy-1H-benzo[d]imidazol-2-yl)sulfonyl)methyl)-3,5-dimethylpyridine 1-oxide
product code：KPS-ASZ-I
purity：98%
package：10mg；25mg；50mg；100mg
CAS：158812-85-2
Molecular formula：C17H19N3O5S
Mole molecular weight：377.41
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity H431
ammonium 1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylate
product code：KPS-ASZ-H431
purity：99.34%
package：10mg；25mg；50mg；100mg
CAS：2227107-89-1 （free base:1227380-90-6）
Molecular formula：C16H18N4O4
Mole molecular weight：330.34
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity H215-03
4sodium 2-(((3,5-dimethyl-4-oxidopyridin-2-yl)methyl)sulfinyl)-5-methoxybenzo[d]imidazol-1-ide
product code：KPS-ASZ-H215-03
purity：97.85%
package：10mg；25mg；50mg；100mg
CAS：1803449-15-1（free base:301669-82-9）
Molecular formula：C16H15N3O3S. Na2
Mole molecular weight：375.35
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity H215-02
2,2'-(disulfanediylbis(methylene))bis(1-(5-methoxy-1H-benzo[d] imidazol-2-yl)-3,5-dimethylpyridin-4(1H)-one)
product code：KPS-ASZ-H215-02
purity：98.50%
package：10mg；25mg；50mg；100mg
CAS：1803449-02-6
Molecular formula：C32H32N6O4S2
Mole molecular weight：628.77
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity H215-01
2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)thio)methyl)-3,5-dimethylpyridin-4-ol
product code：KPS-ASZ-H215-01
purity：98%
package：10mg；25mg；50mg；100mg
CAS：103876-98-8
Molecular formula：C16H17N3O2S
Mole molecular weight：315.39
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity H193/61
5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1-methyl-1H-benzo[d]imidazole compound with 6-methoxy-2-(((4-methoxy-3,5-dimethylpy
product code：KPS-ASZ-H193/61
purity：98%
package：10mg；25mg；50mg；100mg
CAS：784143-42-6/89352-76-1
Molecular formula：C36H42N6O6S2
Mole molecular weight：718.89
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity H
2-(((3,5-dimethyl-4-nitropyridin-2-yl)methyl)sulfinyl)-5-methoxy-1H-benzo[d]imidazole
product code：KPS-ASZ-H
purity：98%
package：10mg；25mg；50mg；100mg
CAS：317807-10-6
Molecular formula：C16H16N4O4S
Mole molecular weight：361.42
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity G
6-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole
product code：KPS-ASZ-G
purity：98%
package：10mg；25mg；50mg；100mg
CAS：73590-58-6
Molecular formula：C17H19N3O3S
Mole molecular weight：345.42
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity F-NA
product code：KPS-ASZ-F-NA
purity：100%
package：10mg；25mg；50mg；100mg
CAS：161796-77-6
Molecular formula：C₁₇H₁₈N₃NaO₃S
Mole molecular weight：
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity F
product code：KPS-ASZ-F
purity：100%
package：10mg；25mg；50mg；100mg
CAS：161796-77-6
Molecular formula：C₁₇H₁₉N₃O₃S
Mole molecular weight：
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity E-01
4-methoxy-2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)thio)methyl)-3,5-dimethylpyridine 1-oxide
product code：KPS-ASZ-E-01
purity：98.92%
package：10mg；25mg；50mg；100mg
CAS：142885-92-5
Molecular formula：C17H19N3O3S
Mole molecular weight：345.42
use：It is only used for identification and inspection in R & D test.
Esomeprazole impurity E
(R)-4-methoxy-2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridine 1-oxide
product code：KPS-ASZ-E
purity：98.56%
package：10mg；25mg；50mg；100mg
CAS：176219-04-8
Molecular formula：C17H19N3O4S
Mole molecular weight：361.42
use：It is only used for identification and inspection in R & D test.