Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate
Also known as: Dimethyl (1,3-dihydro-3-oxo-1-isobenzofuranyl)phosphonate, Dimethyl (3-oxo-1,3-dihydro-2-benzofuran-1-yl)phosphonate, 3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid dimethyl ester, 3-dimethoxyphosphoryl-3H-2-benzofuran-1-one, 3-dimethoxyphosphoryl-3H-isobenzofuran-1-one, dimethyl 3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonate, dimethyl phthalide-3-phosphonate, Phosphonic acid, P-(1,3-dihydro-3-oxo-1-isobenzofuranyl)-, dimethyl ester, Phosphonic acid, (1,3-dihydro-3-oxo-1-isobenzofuranyl)-, dimethyl ester
Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate (CAS 61260-15-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11O5P and a molecular weight of 242.165 g/mol. Key properties include a melting point of 97-99 ºC, a boiling point of 402.0±45.0 °C at 760 mmHg, a density of 1.35 and a flash point of 210.4±49.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 61260-15-9
- Jingsj CID
- J-899851-4
- Molecular Formula
- C10H11O5P
- Molecular Weight
- 242.165 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 97-99 ºC |
|---|---|
| Boiling Point | 402.0±45.0 °C at 760 mmHg |
| Density | 1.35 |
| Flash Point | 210.4±49.1 °C |
| Exact Mass | 242.034409 |
| PSA | 71.64000 |
| LogP | -0.22 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.530 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. 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 Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate?
The CAS number of Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate is 61260-15-9.
What are the molecular formula and molecular weight of Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate?
Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate has molecular formula C10H11O5P and molecular weight 242.165 g/mol.
What are the upstream and downstream products of Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate?
For Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate, Upstream Products: 2-Carboxybenzaldehyde, Sodium methoxide, Dimethyl phosphonate; Downstream Products: 2-fluoro-5-[(3-oxo-1(3H)-isobenzofuranylidene)methyl]benzonitrile, 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid, 3-methyl-1H-isochromen-1-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate (CAS 61260-15-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-899851-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.