![Molecular structure of 5-Methoxy-1H-benzo[d]imidazol-2(3H)-one (CAS 2080-75-3)](/images/chem_structures_svg/183/2080-75-3.svg)
5-Methoxy-1H-benzo[d]imidazol-2(3H)-one
Also known as: 1,3-Dihydro-5-methoxy-2H-benzimidazol-2-one, 2-Hydroxy-5-methoxybenzimidazole, 5-Methoxy-2-benzimidazolinone, 5-Methoxy-1,3-dihydro-benzimidazol-2-one, 5-Methoxybenzimidazolone, Esomeprazole Impurity 16, Esomeprazole Sodium Impurity 44, MFCD00051946
5-Methoxy-1H-benzo[d]imidazol-2(3H)-one (CAS 2080-75-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8N2O2 and a molecular weight of 164.16100 g/mol. Key properties include a melting point of 255°C (dec.), a boiling point of 174.5ºC at 760 mmHg, a density of 1.252 g/cm3 and a flash point of 59.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2080-75-3
- Jingsj CID
- J-42852-4
- Molecular Formula
- C8H8N2O2
- Molecular Weight
- 164.16100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 255°C (dec.) |
|---|---|
| Boiling Point | 174.5ºC at 760 mmHg |
| Density | 1.252 g/cm3 |
| Flash Point | 59.3ºC |
| Exact Mass | 164.05900 |
| PSA | 57.88000 |
| LogP | 0.86480 |
| Vapor Pressure | 1.2mmHg at 25°C |
| Refractive Index | 1.565 |
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 5-Methoxy-1H-benzo[d]imidazol-2(3H)-one?
The CAS number of 5-Methoxy-1H-benzo[d]imidazol-2(3H)-one is 2080-75-3.
What are the molecular formula and molecular weight of 5-Methoxy-1H-benzo[d]imidazol-2(3H)-one?
5-Methoxy-1H-benzo[d]imidazol-2(3H)-one has molecular formula C8H8N2O2 and molecular weight 164.16100 g/mol.
What are the upstream and downstream products of 5-Methoxy-1H-benzo[d]imidazol-2(3H)-one?
For 5-Methoxy-1H-benzo[d]imidazol-2(3H)-one, Upstream Products: tert-Butyl (2-amino-4-methoxyphenyl)carbamate, Ethyl cyanoformate, 4-Methoxy-o-phenylenediamine; Downstream Products: 2-Chloro-5-methoxybenzimidazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methoxy-1H-benzo[d]imidazol-2(3H)-one (CAS 2080-75-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42852-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.