Cas 34131-38-9,1-Propanone, 3,3'-[1,2-ethanediylbis(thio)]bis[1,3-diphenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 34131-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,1,3 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 34131-38:
(7*3)+(6*4)+(5*1)+(4*3)+(3*1)+(2*3)+(1*8)=79
79 % 10 = 9
So 34131-38-9 is a valid CAS Registry Number.

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34131-38-9Relevant academic research and scientific papers

Scope and limitations of HClO4-SiO2 as an extremely efficient, inexpensive, and reusable catalyst for chemoselective carbon-sulfur bond formation

Khatik, Gopal L.,Sharma, Gaurav,Kumar, Raj,Chakraborti, Asit K.

, p. 1200 - 1210 (2007/10/03)

The scope and limitations of perchloric acid adsorbed on silica gel (HClO4-SiO2) as a highly efficient, inexpensive, and reusable catalyst for chemoselective carbon-sulfur bond formation by conjugate addition of thiols to α,β-unsatur

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