Tolcapone
托卡朋
Also known as: Ro 40-7592, Tasmar, 3,4-Dihydroxy-4'-methyl-5-nitrobenzophenone, (3,4-Dihydroxy-5-nitrophenyl)(4-methylphenyl)methanone, 1-(3,4-Dihydroxy-5-nitrophenyl)-1-(4-methylphenyl)methanone
Tolcapone (CAS 134308-13-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H11NO5 and a molecular weight of 273.241 g/mol. It is also known as Ro 40-7592, Tasmar and 3,4-Dihydroxy-4'-methyl-5-nitrobenzophenone. Key properties include a melting point of 126-128ºC, a boiling point of 485.6±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 205.7±17.2 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 134308-13-7
- Jingsj CID
- J-1958004-7
- Molecular Formula
- C14H11NO5
- Chinese Name
- 托卡朋
- Molecular Weight
- 273.241 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 126-128ºC |
|---|---|
| Boiling Point | 485.6±45.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 205.7±17.2 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Tolcapone?
The CAS number of Tolcapone is 134308-13-7.
What are the molecular formula and molecular weight of Tolcapone?
Tolcapone has molecular formula C14H11NO5 and molecular weight 273.241 g/mol.
Is Tolcapone hazardous?
Tolcapone has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tolcapone (CAS 134308-13-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958004-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.