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Omeprazole Sulfone N-Oxide

奥美拉唑砜N-氧化物

Also known as: Omeprazole Impurity I (EP), Esomeprazole USP Impurity A, 1H-Benzimidazole, 5-methoxy-2-[[(4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl]sulfonyl]-, Omeprazole related compound I, Omeprazole sulfonyl nitrogen oxide, UNII-3GZ7SI3024

Omeprazole Sulfone N-Oxide (CAS 158812-85-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H19N3O5S and a molecular weight of 377.415 g/mol. It is also known as Omeprazole Impurity I (EP), Esomeprazole USP Impurity A and 1H-Benzimidazole, 5-methoxy-2-[[(4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl]sulfonyl]-. Key properties include a melting point of 200-202°C, a boiling point of 694.4±65.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 373.7±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
158812-85-2
Jingsj CID
J-1001178-8
Molecular Formula
C17H19N3O5S
Chinese Name
奥美拉唑砜N-氧化物
Molecular Weight
377.415 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point200-202°C
Boiling Point694.4±65.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point373.7±34.3 °C

Frequently Asked Questions

What is the CAS number of Omeprazole Sulfone N-Oxide?

The CAS number of Omeprazole Sulfone N-Oxide is 158812-85-2.

What are the molecular formula and molecular weight of Omeprazole Sulfone N-Oxide?

Omeprazole Sulfone N-Oxide has molecular formula C17H19N3O5S and molecular weight 377.415 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Omeprazole Sulfone N-Oxide (CAS 158812-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001178-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.