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Pentanedioic acid, 2-(2-methylphenyl)-, also known as 2-(2-methylphenyl)pentanedioic acid or 2-(o-tolyl)glutaric acid, is an organic compound with the chemical formula C12H14O4. It is a dicarboxylic acid, meaning it contains two carboxylic acid groups (-COOH) separated by a three-carbon chain. The molecule features a 2-methylphenyl group attached to the second carbon atom of the pentane backbone. Pentanedioic acid, 2-(2-methylphenyl)- is a white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is also known for its potential applications in the production of polymers and as a chelating agent.

1820-33-3

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1820-33-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1820-33-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,2 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1820-33:
(6*1)+(5*8)+(4*2)+(3*0)+(2*3)+(1*3)=63
63 % 10 = 3
So 1820-33-3 is a valid CAS Registry Number.

1820-33-3Relevant academic research and scientific papers

Phase Transfer Catalysis. Part-II: Studies of a Few Michael Reactions of Synthetic Utility under Phase Transfer Catalysis

Banerjee, Satinath,Gupta, Mita Datta,Sarkar, Asis,Nasipuri, Dhanonjoy

, p. 1163 - 1168 (2007/10/02)

A few Michael condensations with ethyl cyanoacetate, diethyl malonate, benzyl cyanide, o-methylbenzyl cyanide and benzyl methyl ketone as donors and 4-methylpent-3-en-2-one (mesityl oxide), ethyl acrylate, methyl crotonate and methyl α,α-dimethylacrylate

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