Cas 76372-68-4,3-(Tosylamino)pivalinsaeurechlorid

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Check Digit Verification of cas no

The CAS Registry Mumber 76372-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,3,7 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76372-68:
(7*7)+(6*6)+(5*3)+(4*7)+(3*2)+(2*6)+(1*8)=154
154 % 10 = 4
So 76372-68-4 is a valid CAS Registry Number.

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76372-68-4Relevant academic research and scientific papers

Theoretical and Spectroscopical Investigations of Indigo Dyes, XXI. - Synthesis and Spectroscopical Properties of 4,4,4',4'-Tetramethyl-3,3'-dione, a Compound Containing the Basic Chromophore of Indigo

Wille, Eike,Luettke, Wolfgang

, p. 2039 - 2054 (2007/10/02)

4,4,4',4'-Tetramethyl-3,3'-dione (3) has been prepared by potassium cyanide catalyzed dimerization of 4,4-dimethyl-1-tosyl-3-pyrrolidinone (13).The parallelism of the chemical and spectroscopical properties of 3 and indigo 2 show

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