1161437-62-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1161437-62-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,1,4,3 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1161437-62:
(9*1)+(8*1)+(7*6)+(6*1)+(5*4)+(4*3)+(3*7)+(2*6)+(1*2)=132
132 % 10 = 2
So 1161437-62-2 is a valid CAS Registry Number.
1161437-62-2Relevant articles and documents
Synthesis and reactions of 5-aryl-2-thiophenecarbaldehydes
Obushak,Matiychuk,Lytvyn
, p. 936 - 940 (2008)
The reaction of 2-thiophenecarbaldehyde with arene diazonium chlorides in the presence of CuCl2 catalyst gave 5-aryl-2-thiophenecarbaldehydes. Use of 4-nitrobenzene diazonium chloride in the reaction also gave the isomeric 3-(4-nitrophenyl)-2-t
