3-O-Methyltolcapone

(4-羟基-3-甲氧基-5-硝基苯基)(对甲苯)甲酮

Also known as: (4-Hydroxy-3-methoxy-5-nitrophenyl)(p-tolyl)methanone, (4-Hydroxy-3-methoxy-5-nitrophenyl)(4-methylphenyl)methanone, Ro 40-7591, Tolcapone Related Compound B, 3-METHOXY-4-HYDROXY-5-NITROBENZYL,4'-METHYLBENZYL KETONE, 1-(4-Hydroxy-3-methoxy-5-nitrophenyl)-1-(4-methylphenyl)methanone, 4-Hydroxy-3-methoxy-5-nitro-4'-methylbenzophenone

3-O-Methyltolcapone (CAS 134612-80-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C15H13NO5 and a molecular weight of 315.32100 g/mol. It is also known as (4-Hydroxy-3-methoxy-5-nitrophenyl)(p-tolyl)methanone, (4-Hydroxy-3-methoxy-5-nitrophenyl)(4-methylphenyl)methanone and Ro 40-7591. Key properties include a boiling point of 474.8ºC at 760mmHg, a density of 1.317g/cm3 and a flash point of 240.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
134612-80-9
Jingsj CID
J-1960645-1
Molecular Formula
C15H13NO5
Chinese Name
(4-羟基-3-甲氧基-5-硝基苯基)(对甲苯)甲酮
Molecular Weight
315.32100 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point474.8ºC at 760mmHg
Density1.317g/cm3
Flash Point240.9ºC

Frequently Asked Questions

What is the CAS number of 3-O-Methyltolcapone?

The CAS number of 3-O-Methyltolcapone is 134612-80-9.

What are the molecular formula and molecular weight of 3-O-Methyltolcapone?

3-O-Methyltolcapone has molecular formula C15H13NO5 and molecular weight 315.32100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-O-Methyltolcapone (CAS 134612-80-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960645-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.