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5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole

5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole structure

CAS No.: 176219-04-8

Chemical Name:: 5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole

Synonyms: Omeprazole N-Oxide;Omeprazole Impurity E;OMEPRAZOL-N-OXIDE;Omeprazole N-oxide-d3;Esomeprazole impurity E;Esomeprazole ImpuritieE;Omeprazole EP Impurity E;Omeprazole Impurity E（EP);Esomeprazole EP Impurity E;Esomeprazole EP Impurity B

CBNumber:: CB0156879

Molecular Formula:: C17H19N3O4S

Molecular Weight:: 361.42

MDL Number:: MFCD08274751

MOL File:: 176219-04-8.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:47:33

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5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole Properties

Melting point	173-175°C
Boiling point	697.5±65.0 °C(Predicted)
Density	1.40±0.1 g/cm3(Predicted)
storage temp.	Refrigerator
solubility	DMSO (Slightly), Methanol (Slightly, Heated)
form	Solid
pka	8.63±0.10(Predicted)
color	White to Off-White
Major Application	pharmaceutical (small molecule)
InChI	InChI=1S/C17H19N3O4S/c1-10-8-20(21)15(11(2)16(10)24-4)9-25(22)17-18-13-6-5-12(23-3)7-14(13)19-17/h5-8H,9H2,1-4H3,(H,18,19)
InChIKey	BBMDUQNTLINGKU-UHFFFAOYSA-N
SMILES	C1(S(CC2[N+]([O-])=CC(C)=C(OC)C=2C)=O)NC2=CC(OC)=CC=C2N=1
FDA UNII	H3W21KSG6H
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07,GHS09

Signal word

Warning

Hazard statements

H302-H317-H319-H411

Precautionary statements

P261-P273-P280-P301+P312-P302+P352-P305+P351+P338

Safety Statements

24/25

WGK Germany

HS Code

29309090

Storage Class

11 - Combustible Solids

Hazard Classifications

Acute Tox. 4 Oral
Aquatic Chronic 2
Eye Irrit. 2
Skin Sens. 1

NFPA 704

	0
2		0

5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole price More Price(37)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	PHR1649	Omeprazole Related Compound E	176219-04-8	30mg	$826	2026-04-30	Buy
Sigma-Aldrich	1478527	Omeprazole Related Compound E	176219-04-8	15mg	$1290	2026-04-30	Buy
Cayman Chemical	35430	Omeprazole N-oxide ≥98%	176219-04-8	1mg	$37	2026-04-30	Buy
Cayman Chemical	35430	Omeprazole N-oxide ≥98%	176219-04-8	5mg	$163	2026-04-30	Buy
Cayman Chemical	35430	Omeprazole N-oxide ≥98%	176219-04-8	10mg	$270	2026-04-30	Buy

Product number	Packaging	Price	Buy
PHR1649	30mg	$826	Buy
1478527	15mg	$1290	Buy
35430	1mg	$37	Buy
35430	5mg	$163	Buy
35430	10mg	$270	Buy

5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

A metabolite of Omeprazole.

5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole Preparation Products And Raw materials

Raw materials

Preparation Products

5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole Suppliers

Global( 194)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei Changrun Biomedical Technology Co., Ltd.	027-63496417 13007129042	3294393103@qq.com	China	283	58
TOSUN PHARM	020-66392521-118 18922260391	3004261881@qq.com	China	7994	58
Henan Kangsheng New Materials Co., LTD	18971085384	183320562@qq.com	China	114	58
LangFangshi Zekang Pharma Tech CO.,Itd.	0316-2883536 19333636468	93618484@qq.com	China	2818	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
Sinopharm Chemical Reagent Co,Ltd.	86-21-63210123	sj_scrc@sinopharm.com	China	9791	79
S.Z. PhyStandard Bio-Tech. Co., Ltd.	0755-4000505016 13380397412	3001272453@qq.com	China	5000	50
S.Z. PhyStandard Bio-Tech. Co., Ltd.	0755-83725681-603		China	4484	50
Beijing HuaMeiHuLiBiological Chemical	010-56205725	waley188@sohu.com	China	12323	58

Supplier	Advantage
Hubei Changrun Biomedical Technology Co., Ltd.	58
TOSUN PHARM	58
Henan Kangsheng New Materials Co., LTD	58
LangFangshi Zekang Pharma Tech CO.,Itd.	58
J & K SCIENTIFIC LTD.	76
Chemsky（shanghai）International Co.,Ltd.	50
Sinopharm Chemical Reagent Co,Ltd.	79
S.Z. PhyStandard Bio-Tech. Co., Ltd.	50
S.Z. PhyStandard Bio-Tech. Co., Ltd.	50
Beijing HuaMeiHuLiBiological Chemical	58

View Lastest Price from 5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-03-12	Omeprazole Impurity E 176219-04-8		10mg	0.98	10g	ShenZhen H&D Pharmaceutical Technology Co., LTD
	2019-07-06	5-METHOXY-2-[((4-METHOXY-3,5-DIMETHYL-1-OXIDO-2-PYRIDINYL)METHYL)SULFINYL]-BENZIMIDAZOLE 176219-04-8	$1.00	1KG	98%	1	Career Henan Chemical Co

Omeprazole Impurity E
176219-04-8
0.98
ShenZhen H&D Pharmaceutical Technology Co., LTD

5-METHOXY-2-[((4-METHOXY-3,5-DIMETHYL-1-OXIDO-2-PYRIDINYL)METHYL)SULFINYL]-BENZIMIDAZOLE
176219-04-8
$1.00
98%
Career Henan Chemical Co

5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole Spectrum

5-METHOXY-2-[((4-METHOXY-3,5-DIMETHYL-1-OXIDO-2-PYRIDINYL)METHYL)SULFINYL]-BENZIMIDAZOLE(176219-04-8)¹HNMR 5-METHOXY-2-[((4-METHOXY-3,5-DIMETHYL-1-OXIDO-2-PYRIDINYL)METHYL)SULFINYL]-BENZIMIDAZOLE(176219-04-8)¹³CNMR

176219-04-8(5-Methoxy-2-[((4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl)sulfinyl]-benzimidazole)Related Search:

Esomeprazole Impurity 3 OMEPRAZOLE RELATED COMPOUND A (15 MG) (OMEPRAZOLE SULFONE) (AS) 8-Methoxy-1,3-dimethyl-12-thioxo-pyrido[123,4]imidazo[1,2-a]benzimidazol-2-(12H)-one (S)-4-Desmethoxy-4-chloro Omeprazole Omeprazole

2-Pyridinemethanol, 4-hydroxy-3,5-dimethyl- (9CI) EsoMeprazole related substance H431/41 Ufiprazole Omeprazole EP Impurity G Ondansetron EP Impurity H

ammonium 1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylate omeprazole acid Omeprazole Impurity (2-[[(5-hydroxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethy-l-4(1H)-pyridone) Omeprazole Impurity 20 2-Mercapto-5-methoxybenzimidazole

2-[(5-Carboxy-4-methoxy-3-methylpyrid-2-yl)-methylsulfo]-5-methoxybenzimidazole Omeprazole imp. C (EP): 5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphanyl]-1H-benzimidazole (ufiprazole) mm standard Omeprazole Sulfone N-Oxide

1of4

EsoMeprazole related substance E 6-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-1-oxido-2-pyridinyl)Methyl]sulfinyl]- 4-Methoxy-2-[[(RS)-(5-Methoxy-1H-benziMidazol-2-yl)sulfinyl]Methyl]-3,5-diMethylpyridine 1-oxide IMp. E (EP): 4-Methoxy-2-[[(RS)-(5-Methoxy-1H- benziMidazol-2-yl)sulphinyl]Methyl]-3,5-diMethylpyridine 1-Oxide (OMeprazole N-Oxide) OMeprazole IMpurity-E (EP) (USP RC E) 4-Methoxy-2-((6-Methoxy-1H-benzo[d]iMidazol-2-ylsulfinyl)Methyl)-3,5-diMethylpyridine 1-oxide 1H-BenziMidazole, 6-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-1-oxido-2-pyridinyl)Methyl]sulfinyl]-(Rel Cpd E) 1H-BenziMidazole, 6-Methoxy -2-[[(4-Methoxy-3,5-diMethyl-1-oxido-2-pyridinyl)Methyl] sulfinyl]- OMeprazole Related CoMpound E Esomeprazole EP Impurity E(Omeprazole EP Impurity E) Esomeprazole Magnesium Impurity E (4-methoxy-2-[[(RS)-(5-methoxy-1H- benzimidazol-2-yl) sulfinyl] methyl]-3,5-dimethylpyridine 1-oxide) Omeprazole N-Oxide (Omeprazole EP Impurity E) Esomeprazole Magnesium Trihydrate Imp. B (EP): 2-[(RS)-[(3,5-Dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1H-benz-imidazole Esomeprazole Magnesium Trihydrate Imp. E (EP): 4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulphinyl]methyl]-3,5-dimethylpyridine 1-Oxide (Omeprazole N-Oxide Omeprazole Related Compound E (15 mg) (4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide) Esomeprazole EP Impurity E 4-methoxy-2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridine 1-oxide Esomeprazole Magnesium Impurity (5-methoxy-2-[(R)-[(4-methoxy-3,5-dimethylpyridin-2-yl) methyl] sulfinyl]-1H-benzimidazol 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole N-oxide Esomeprazole impurity E Esomeprazole Magnesium Trihydrate EP E Omeprazole Imp. E(EP):Omeprazole N-Oxide Omeprazole EP Impurity E Esomeprazole EP Impurity B 6-Methoxy-2-[[(4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole 4-Methoxy-2-(((5-Methoxy-1H-benziMidazole-2-yl)sulphinyl)Methyl)-3,5-diMethylpyridine 1-oxide OMEPRAZOL-N-OXIDE Omeprazole EP Impurity E(Omeprazole N-Oxide) Omeprazole impurity 5/Omeprazole EP Impurity E/Omeprazole N-Oxide/4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide Esomeprazole impurity 2/Esomeprazole EP Impurity E/Omeprazole EP Impurity E/Omeprazole N-Oxide/4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide Esomeprazole nitrogen oxide Omeprazole EP Impurity E: Omeprazole Impurity E 4-Methoxy-2-[[(RS)-(5-methoxy-1H-be Esomeprazole Magnesium Impurity Ⅱ（4-methoxy-2-[[(RS)-(5-methoxy-1H- benzimidazol-2-yl) sulfinyl] methyl]-3,5-dimethylpyridine 1-oxide） Omeprazole Related Compound E (15 mg) (R)-4-methoxy-2-(((5-methoxy-1H-benzo[d]imidazol-2-yl)sulfinyl)methyl)-3,5-dimethylpyridine 1-oxide Esomeprazole EP Impurity E (Omeprazole EP Impurity E/ Omeprazole Related Compound E/ Omeprazole N-Oxide) Omeprazole EP Impurity E/ Omeprazole Related Compound E (Omeprazole N-Oxide/ Esomeprazole EP Impurity E) Esomeprazole Impurities543 Esomeprazole ImpuritieE Omeprazole N-oxide-d3 Omeprazole N-OxideQ: What is Omeprazole N-Oxide Q: What is the CAS Number of Omeprazole N-Oxide Q: What is the storage condition of Omeprazole N-Oxide Q: What are the applications of Omeprazole N-Oxide Omeprazole Related Compound E (4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl]- (1478527) Esomeprazole Magnesium Impurity Ⅲ (5-methoxy-2-[(R)-[(4-methoxy -3,5-dimethylpyridin-2-yl) methyl] sulfinyl]-1H-benzimidazol) ((R)-omeprazole) Esomeprazole Impurity E（EP） Omeprazole Impurity E（EP) Esomeprazole Magnesium Trihydrate Impurity E Esomeprazole Sodium Impurity E Esomeprazole Sodium EP Impurity E Omeprazole USP Related Compound E Omeprazole(Esomeprazole-magnesium) EP Impurity E 4-Methoxy-2-[[(5-methoxy-2-benzimidazolyl)sulfinyl]methyl]-3,5-dimethylpyridine 1-Oxide Omeprazole n-oxide / Omeprazole Related Compound-E / Omeprazole EP Impurity-E Esomeprazole Impurity 5 CRS Omeprazole EP Impurity E Omeprazole USP RC E 4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulphinyl]methyl]-3,5-dimethylpyridine 1-Oxide (O Esomeprazole Magnesium Impurity Ⅱ/Omeprazole-N-oxide