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Omeprazole N-Oxide (S-Isomer)

Synonyms: Omeprazole-N-oxide · Omeprazole N-Oxide · Omeprazole-1-oxide · EsoMeprazole related substance E

CAS No.1427498-68-7
FormulaC17H19N3O4S
Mol. weight361.40
Catalogue No.VQ-007220
PurityReference Standard
HSN38229090

Omeprazole N-Oxide (S-Isomer) (CAS 1427498-68-7) – Omeprazole impurity standard. C17H19N3O4S, MW 361.4. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
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25 mg
50 mg
100 mg
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16-section GHS SDS
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About Omeprazole N-Oxide (S-Isomer)

Omeprazole N-Oxide (S-Isomer) is a metabolite or degradation product of Omeprazole carrying the CAS registry number 1427498-68-7. With the molecular formula C17H19N3O4S, it has a molar mass of 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. Common synonyms include Omeprazole-N-oxide and Omeprazole N-Oxide.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Omeprazole, as well as in QC testing and ANDA/DMF documentation. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Omeprazole N-Oxide (S-Isomer) in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. Stock is available for quick dispatch.

Typical applications

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Industries

Related to Omeprazole

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

Omeprazole impurities

Specifications & identifiers

Chemical identifiers
Product nameOmeprazole N-Oxide (S-Isomer)
Catalogue No.VQ-007220
CAS Number1427498-68-7
IUPAC name6-methoxy-2-[(4-methoxy-3,5-dimethyl-1-oxidopyridin-1-ium-2-yl)methylsulfinyl]-1H-benzimidazole
Molecular formulaC17H19N3O4S
Molecular weight361.4 g/mol
Exact mass361.1096
GradeReference Standard
HSN code38229090
InChIKeyQZVDQETYNOBUPJ-UHFFFAOYSA-N
SMILESCC1=C[N+](=C(C(=C1OC)C)CS(=O)C2=NC3=C(N2)C=C(C=C3)OC)[O-]
PubChem CID10992053
Physical properties
Physical formSolid
LogP (XLogP3)1.2
H-bond donors / acceptors1 / 6
TPSA109 Ų
SynonymsOmeprazole-N-oxide, Omeprazole N-Oxide, Omeprazole-1-oxide, EsoMeprazole related substance E, 4-Methoxy-2-[[(5-methoxy-2-benzimidazolyl)sulfinyl]methyl]-3,5-dimethylpyridine 1-Oxide, 6-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-1-oxido-2-pyridinyl)Methyl]sulfinyl]-

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS09 Environmental hazard
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

Frequently asked questions

What is the CAS number of Omeprazole N-Oxide (S-Isomer)?

The CAS Registry Number of Omeprazole N-Oxide (S-Isomer) is 1427498-68-7. It is also known as Omeprazole-N-oxide, Omeprazole N-Oxide, Omeprazole-1-oxide.

What is the molecular formula and molecular weight of Omeprazole N-Oxide (S-Isomer)?

Omeprazole N-Oxide (S-Isomer) 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 N-Oxide (S-Isomer) used for?

Omeprazole N-Oxide (S-Isomer) 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 N-Oxide (S-Isomer) can I order?

We supply Omeprazole N-Oxide (S-Isomer) 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 N-Oxide (S-Isomer)?

Yes. Every lot of Omeprazole N-Oxide (S-Isomer) 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 N-Oxide (S-Isomer) be shipped internationally?

Yes. Omeprazole N-Oxide (S-Isomer) 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.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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Related products

Reference Standard
Omeprazole WS chemical structure
Omeprazole WS
CAS
73590-58-6
Formula
C17H19N3O3S
MW
345.4 g/mol
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