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Butanedioic acid, methylene-, 1-methyl ester, also known as methyl succinic anhydride or methylidene succinate, is a chemical compound with the molecular formula C6H8O4. It is a colorless liquid that is soluble in water and has a pungent odor. This organic compound is derived from butanedioic acid (succinic acid) and is formed by the esterification of succinic anhydride with methanol. It is used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its reactivity, it is often used in the preparation of esters, amides, and other derivatives. The compound is also known for its potential applications in the production of polymers and as a building block in the synthesis of complex molecules.

3377-31-9

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3377-31-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3377-31-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,7 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3377-31:
(6*3)+(5*3)+(4*7)+(3*7)+(2*3)+(1*1)=89
89 % 10 = 9
So 3377-31-9 is a valid CAS Registry Number.

3377-31-9Relevant academic research and scientific papers

A Br?nsted acidic, ionic liquid containing, heteropolyacid functionalized polysiloxane network as a highly selective catalyst for the esterification of dicarboxylic acids

Rajabi, Fatemeh,Wilhelm, Christian,Thiel, Werner R.

, p. 4438 - 4444 (2020)

A Br?nsted acidic, ionic liquid containing, heteropolyanion functionalized polysiloxane network was formed by self-condensation of dodecatungstophosphoric acid and a zwitterionic organosilane precursor containing both imidazolinium and sulfonate groups. The resulting hybrid material POS-HPA-IL was investigated as a catalyst for the selective esterification of dicarboxylic acids.

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