133617-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133617-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,6,1 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 133617-57:
(8*1)+(7*3)+(6*3)+(5*6)+(4*1)+(3*7)+(2*5)+(1*7)=119
119 % 10 = 9
So 133617-57-9 is a valid CAS Registry Number.
133617-57-9Relevant academic research and scientific papers
Synthesis of 3-Cyano-2-methylpyridines Substituted with Heteroaromatics
Shibata, Katsuyoshi,Katsuyama, Isamu,Matsui, Masaki,Muramatsu, Hiroshiga
, p. 161 - 165 (2007/10/02)
A series of title compounds were easily prepared by the sonication of α,β-unsaturated carbonyl compound in acetonitril in the presence of potassium t-butoxide.
