93764-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93764-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,7,6 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 93764-52:
(7*9)+(6*3)+(5*7)+(4*6)+(3*4)+(2*5)+(1*2)=164
164 % 10 = 4
So 93764-52-4 is a valid CAS Registry Number.
93764-52-4Relevant academic research and scientific papers
INTRODUCTION OF THE METHYL GROUP INTO THE PYRAZINE RING
Ohta, Akihiro,Inoue, Akira,Watanabe, Tokuhiro
, p. 2317 - 2321 (2007/10/02)
By the coupling reaction of mono- and dichloropyrazines with trimethylaluminum in the presence of a palladium catalyst, the corresponding mono- and dimethylpyrazines were prepared in excellent yields.