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2(3H)-Benzofuranone, 4-hydroxy-, also known as 4-Hydroxy-2(3H)-benzofuranone or 4-Hydroxycoumarin, is an organic compound with the chemical formula C9H6O3. It is a derivative of coumarin, a naturally occurring lactone found in plants, and is characterized by the presence of a hydroxyl group (-OH) at the 4-position on the benzofuranone ring. 2(3H)-Benzofuranone, 4-hydroxy- is known for its various applications in the pharmaceutical and chemical industries, such as serving as an intermediate in the synthesis of anticoagulant drugs like warfarin. Additionally, it has been studied for its potential use as a building block in the development of new pharmaceuticals and other chemical compounds.

2811-93-0

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2811-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2811-93-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,1 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2811-93:
(6*2)+(5*8)+(4*1)+(3*1)+(2*9)+(1*3)=80
80 % 10 = 0
So 2811-93-0 is a valid CAS Registry Number.

2811-93-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-hydroxy-3H-benzofuran-2-one

1.2 Other means of identification

Product number -
Other names 4-Hydroxy-phthalide

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2811-93-0 SDS

2811-93-0Downstream Products

2811-93-0Relevant academic research and scientific papers

Some Base-induced Reactions of 2-(Ethoxycarbonylmethyl)-2-halogeno-1,3-cyclohexanediones and 2-(Ethoxycarbonyl)-2-halogeno-5,5-dimethyl-1,3-cyclohexanediones

Kapadia, Haresh D.,Sunthankar, S. V.

, p. 319 - 320 (2007/10/02)

Base-induced reactions of 2-(ethoxycarbonyl)-2-halogeno derivatives of 1,3-cyclohexanedione and 5,5-dimethyl-1,3-cyclohexanedione (1c,d) and (2c,d) give cyclopentenone derivatives (3a,b), 4, a lactonic compound (5) as well as open chain dicarboxylic ester

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