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34404-83-6

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34404-83-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34404-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,4,0 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 34404-83:
(7*3)+(6*4)+(5*4)+(4*0)+(3*4)+(2*8)+(1*3)=96
96 % 10 = 6
So 34404-83-6 is a valid CAS Registry Number.

34404-83-6Downstream Products

34404-83-6Relevant articles and documents

Syntheses of Aryl Glyoxylate. I. The Reaction of Alkyl Dichloro(alkoxy)acetates with Aromatics in the Presence of Lewis Acid

Itoh, Osamu,Nagata, Takayoshi,Nomura, Isamu,Takanaga, Tetsuya,Sugita, Toshio,Ichikawa, Katsuhiko

, p. 810 - 814 (1984)

Ethyl dichloro(ethoxy)acetate(1) and methyl dichloro(methoxy)acetate(2) were characterized.The reaction of 1 and 2 with aromatics in the presence of AlCl3 gave a considerable yield of aromatic α-keto ester.The aromatics included mono- and polymethylbenzene and anisol.The reaction was studied under various conditions and the results were compared with the acylation by ethoxalyl or methoxalyl chloride.The reaction mechanism was also discussed.

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