Methylophiopogonanone B
甲基麦冬黄烷酮B
Also known as: (3R)-2,3-Dihydro-5,7-dihydroxy-3-[(4-methoxyphenyl)methyl]-6,8-dimethyl-4H-1-benzopyran-4-one, (3R)-5,7-Dihydroxy-3-(4-methoxybenzyl)-6,8-dimethyl-2,3-dihydro-4H-chromen-4-one, NE-IV, 8-Methylophiopogonanone B, R-Methylophiopogonanone B, Methylophiopogonanone B (R-Methylophiopogonanone B)
Methylophiopogonanone B (CAS 74805-91-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H20O5 and a molecular weight of 328.359 g/mol. It is also known as (3R)-2,3-Dihydro-5,7-dihydroxy-3-[(4-methoxyphenyl)methyl]-6,8-dimethyl-4H-1-benzopyran-4-one, (3R)-5,7-Dihydroxy-3-(4-methoxybenzyl)-6,8-dimethyl-2,3-dihydro-4H-chromen-4-one and NE-IV. Key properties include a boiling point of 554.5±49.0 °C at 760 mmHg, a density of 1.285 and a flash point of 201.5±23.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74805-91-7
- Jingsj CID
- J-1972063-8
- Molecular Formula
- C19H20O5
- Chinese Name
- 甲基麦冬黄烷酮B
- Molecular Weight
- 328.359 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 554.5±49.0 °C at 760 mmHg |
|---|---|
| Density | 1.285 |
| Flash Point | 201.5±23.3 °C |
Frequently Asked Questions
What is the CAS number of Methylophiopogonanone B?
The CAS number of Methylophiopogonanone B is 74805-91-7.
What are the molecular formula and molecular weight of Methylophiopogonanone B?
Methylophiopogonanone B has molecular formula C19H20O5 and molecular weight 328.359 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methylophiopogonanone B (CAS 74805-91-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972063-8 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.