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(R)-Omeprazole

Also known as: (+)-Omeprazole, R-Omeprazole, Omeprazole impurity B (R-omeprazole), Esomeprazole Sodium Impurity 15, Omeprazole Impurity N, Omeprazole Impurity 33, 5-Methoxy-2-{(R)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl}-1H-benzimidazole, 6-Methoxy-2-[(R)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole, (R)-5-Methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole, ZOLTUM, Losec, Prilosec, Antra, Gastroloc, Mopral, Omepral, Mepral, H 168/68

(R)-Omeprazole (CAS 119141-89-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H19N3O3S and a molecular weight of 345.416 g/mol. Key properties include a boiling point of 600.0±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 316.7±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
119141-89-8
Jingsj CID
J-1179608-0
Molecular Formula
C17H19N3O3S
Molecular Weight
345.416 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point600.0±60.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point316.7±32.9 °C
Exact Mass345.114716
PSA96.31000
LogP2.17
Vapor Pressure0.0±1.7 mmHg at 25°C
Refractive Index1.669

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of (R)-Omeprazole?

The CAS number of (R)-Omeprazole is 119141-89-8.

What are the molecular formula and molecular weight of (R)-Omeprazole?

(R)-Omeprazole has molecular formula C17H19N3O3S and molecular weight 345.416 g/mol.

What are the upstream and downstream products of (R)-Omeprazole?

For (R)-Omeprazole, Upstream Products: Ufiprazole, Omeprazole.

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

Last updated:

How to cite: Jingsj. "(R)-Omeprazole (CAS 119141-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1179608-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.