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63645-62-5

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63645-62-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63645-62-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,6,4 and 5 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 63645-62:
(7*6)+(6*3)+(5*6)+(4*4)+(3*5)+(2*6)+(1*2)=135
135 % 10 = 5
So 63645-62-5 is a valid CAS Registry Number.

63645-62-5Downstream Products

63645-62-5Relevant articles and documents

A Convenient Method for Preparation of 2-(Methylthio)alkanoic Acids and Their Related Compounds Using the Carbanions of Substituted Malonic Esters

Ogura, Katasuyuki,Itoh, Hiroshi,Morita, Toshio,Sanada, Kunio,Iida, Hirotada

, p. 1216 - 1220 (2007/10/02)

Starting from alkyl- or aryl-substituted malonic esters prepared by various methods, 2-(methylthio)alkanoic acids are synthesized by successive treatment with sodium ethoxide and with S-methyl methanethiosulfonate, followed by alkaline hydrolysis which causes concurrent decarboxylation.Production of 2-(phenylthio)alkanoic acids is also achieved in a similar manner.

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