5-O-Desmethyl Omeprazole

5-O-去甲基奥美拉唑

Also known as: 1H-Benzimidazol-6-ol, 2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-, 1H-Benzimidazol-5-ol, 2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-, 2-[[(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazol-5-ol, 2-[[(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazol-6-ol, 5-Desmethylomeprazole, Esomeprazole impurity L, Esomeprazole impurity M, Omeprazole impurity L, 5-O-Desmethyl Omeprazole Metabolite

5-O-Desmethyl Omeprazole (CAS 151602-49-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H17N3O3S and a molecular weight of 331.38900 g/mol. It is also known as 1H-Benzimidazol-6-ol, 2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-, 1H-Benzimidazol-5-ol, 2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]- and 2-[[(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazol-5-ol. Key property: a melting point of 238-240ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
151602-49-2
Jingsj CID
J-1505948-2
Molecular Formula
C16H17N3O3S
Chinese Name
5-O-去甲基奥美拉唑
Molecular Weight
331.38900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point238-240ºC

Frequently Asked Questions

What is the CAS number of 5-O-Desmethyl Omeprazole?

The CAS number of 5-O-Desmethyl Omeprazole is 151602-49-2.

What are the molecular formula and molecular weight of 5-O-Desmethyl Omeprazole?

5-O-Desmethyl Omeprazole has molecular formula C16H17N3O3S and molecular weight 331.38900 g/mol.

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

Last updated:

How to cite: Jingsj. "5-O-Desmethyl Omeprazole (CAS 151602-49-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505948-2 (accessed 2026-10-24).

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