7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one
Also known as: 3-(1,1-Dimethylallyl)herniarin, 3-(1,1-Dimethyl-2-propenyl)-7-methoxy-2H-1-benzopyran-2-one, 3-(1,1-Dimethylallyl)-7-methoxycoumarin, 2H-1-Benzopyran-2-one, 3-(1,1-dimethyl-2-propen-1-yl)-7-methoxy-, 3-(1,1-Dimethyl allyl)herniarin, 7-methoxy-3-(2-methylbut-3-en-2-yl)chromen-2-one
7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one (CAS 20958-63-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H16O3 and a molecular weight of 244.28600 g/mol. Key properties include a boiling point of 373ºC at 760 mmHg, a density of 1.126g/cm3 and a flash point of 156.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20958-63-8
- Jingsj CID
- J-1134498-2
- Molecular Formula
- C15H16O3
- Molecular Weight
- 244.28600 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 373ºC at 760 mmHg |
|---|---|
| Density | 1.126g/cm3 |
| Flash Point | 156.4ºC |
| Exact Mass | 244.11000 |
| PSA | 39.44000 |
| LogP | 3.26520 |
| Vapor Pressure | 9.24E-06mmHg at 25°C |
| Refractive Index | 1.548 |
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 7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one?
The CAS number of 7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one is 20958-63-8.
What are the molecular formula and molecular weight of 7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one?
7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one has molecular formula C15H16O3 and molecular weight 244.28600 g/mol.
What are the upstream and downstream products of 7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one?
For 7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one, Upstream Products: Dimethyl sulfate, 4-Hydroxy-7-methoxycoumarin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "7-methoxy-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one (CAS 20958-63-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1134498-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.