Omeprazole Impurity E

Name: Omeprazole Impurity E
Brand: Vaqora Chemicals
SKU: VQ-005437

About Omeprazole Impurity E

Omeprazole Impurity E (CAS 176219-04-8) is an impurity of Omeprazole offered by Vaqora Chemicals. Formula C17H19N3O4S, molecular weight 361.4 g/mol. The IUPAC name is 6-methoxy-2-[(4-methoxy-3,5-dimethyl-1-oxidopyridin-1-ium-2-yl)methylsulfinyl]-1H-benzimidazole. Alternative names: Omeprazole N Oxide and Omeprazole-N-oxide.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Omeprazole, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Omeprazole Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. Stock is available for quick dispatch.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Omeprazole

View every impurity, metabolite and intermediate we list for Omeprazole.

Omeprazole impurities

Specifications & identifiers

Chemical identifiers
Product name	Omeprazole Impurity E
Catalogue No.	VQ-005437
CAS Number	176219-04-8
IUPAC name	6-methoxy-2-[(4-methoxy-3,5-dimethyl-1-oxidopyridin-1-ium-2-yl)methylsulfinyl]-1H-benzimidazole
Molecular formula	C₁₇H₁₉N₃O₄S
Molecular weight	361.4 g/mol
Exact mass	361.1096
Grade	Reference Standard
HSN code	38229090
InChIKey	QZVDQETYNOBUPJ-UHFFFAOYSA-N
SMILES	CC1=C[N+](=C(C(=C1OC)C)CS(=O)C2=NC3=C(N2)C=C(C=C3)OC)[O-]
PubChem CID	10992053

Physical properties
Physical form	Solid
LogP (XLogP3)	1.2
H-bond donors / acceptors	1 / 6
TPSA	109 Å²
Synonyms	Omeprazole N Oxide, Omeprazole-N-oxide, Omeprazole Related Compound E (USP), Esomeprazole EP Impurity E, Omeprazole N-Oxide, Omeprazole-1-oxide, EsoMeprazole related substance E, OMeprazole IMpurity-E (EP) (USP RC E), Esomeprazole EP Impurity E(Omeprazole EP Impurity E), Omeprazole EP Impurity E, 4-Methoxy-2-[[(5-methoxy-2-benzimidazolyl)sulfinyl]methyl]-3,5-dimethylpyridine 1-Oxide

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Omeprazole Impurity E?

The CAS Registry Number of Omeprazole Impurity E is 176219-04-8. It is also known as Omeprazole N Oxide, Omeprazole-N-oxide, Omeprazole Related Compound E (USP).

What is the molecular formula and molecular weight of Omeprazole Impurity E?

Omeprazole Impurity E has the molecular formula C17H19N3O4S and a molecular weight of 361.4 g/mol. Its IUPAC name is 6-methoxy-2-[(4-methoxy-3,5-dimethyl-1-oxidopyridin-1-ium-2-yl)methylsulfinyl]-1H-benzimidazole.

What is Omeprazole Impurity E used for?

Omeprazole Impurity E is supplied as a characterised reference material related to Omeprazole. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Omeprazole Impurity E can I order?

We supply Omeprazole Impurity E in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Omeprazole Impurity E?

Yes. Every lot of Omeprazole Impurity E is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Omeprazole Impurity E be shipped internationally?

Yes. Omeprazole Impurity E is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.