Dimethyl 2-oxo-4,5-diphenylcyclopenta-3,5-diene-1,3-dicarboxylate
2,5-双(甲氧羰基)-3,4-二苯基环戊二烯酮
Also known as: 2,5-Bis(methoxycarbonyl)-3,4-diphenylcyclopentadienone, Bismethoxycarbonyldiphenylcyclopentadienone, Dimethyl 3,4-diphenylcyclopentadienone-2,5-dicarboxylate, 3,4-Diphenylcyclopentadienone-2,5-dicarboxylic acid dimethyl ester, 2,5-Dicarbomethoxy-3,4-diphenylcyclopentadienone, 2,5-Dimethoxycarbonyl-3,4-diphenylcyclopentadienone
Dimethyl 2-oxo-4,5-diphenylcyclopenta-3,5-diene-1,3-dicarboxylate (CAS 16691-79-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H16O5 and a molecular weight of 348.34900 g/mol. It is also known as 2,5-Bis(methoxycarbonyl)-3,4-diphenylcyclopentadienone, Bismethoxycarbonyldiphenylcyclopentadienone and Dimethyl 3,4-diphenylcyclopentadienone-2,5-dicarboxylate. Key properties include a boiling point of 445.4ºC at 760 mmHg, a density of 1.302g/cm3 and a flash point of 194.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16691-79-5
- Jingsj CID
- J-1512613-9
- Molecular Formula
- C21H16O5
- Chinese Name
- 2,5-双(甲氧羰基)-3,4-二苯基环戊二烯酮
- Molecular Weight
- 348.34900 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 445.4ºC at 760 mmHg |
|---|---|
| Density | 1.302g/cm3 |
| Flash Point | 194.3ºC |
Frequently Asked Questions
What is the CAS number of Dimethyl 2-oxo-4,5-diphenylcyclopenta-3,5-diene-1,3-dicarboxylate?
The CAS number of Dimethyl 2-oxo-4,5-diphenylcyclopenta-3,5-diene-1,3-dicarboxylate is 16691-79-5.
What are the molecular formula and molecular weight of Dimethyl 2-oxo-4,5-diphenylcyclopenta-3,5-diene-1,3-dicarboxylate?
Dimethyl 2-oxo-4,5-diphenylcyclopenta-3,5-diene-1,3-dicarboxylate has molecular formula C21H16O5 and molecular weight 348.34900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethyl 2-oxo-4,5-diphenylcyclopenta-3,5-diene-1,3-dicarboxylate (CAS 16691-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512613-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.