1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid

Also known as: Esomeprazole impurity J, Esomeprazole related substance H431/41, Omeprazole impurity O, Omeprazole Hydrolysis Impurity, Esomeprazole sodium impurity A, H431/31, 1,4-Dihydro-1-(5-methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxo-2-pyridinecarboxylic acid, 1-(5-Methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydro-2-pyridinecarboxylic acid

1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid (CAS 1227380-90-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H15N3O4 and a molecular weight of 313.308 g/mol. Key properties include a boiling point of 537.0±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 278.5±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1227380-90-6
Jingsj CID: J-1188486-9
Molecular Formula: C₁₆H₁₅N₃O₄
Molecular Weight: 313.308 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	537.0±60.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	278.5±32.9 °C
Exact Mass	313.106262
PSA	97.21000
LogP	2.86
Vapor Pressure	0.0±1.5 mmHg at 25°C
Refractive Index	1.676

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid?

The CAS number of 1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid is 1227380-90-6.

What are the molecular formula and molecular weight of 1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid?

1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid has molecular formula C16H15N3O4 and molecular weight 313.308 g/mol.

What are the upstream and downstream products of 1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid?

For 1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid, Upstream Products: Omeprazole.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid (CAS 1227380-90-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1188486-9 (accessed 2026-11-09).

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