128478-58-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128478-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,7 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128478-58:
(8*1)+(7*2)+(6*8)+(5*4)+(4*7)+(3*8)+(2*5)+(1*8)=160
160 % 10 = 0
So 128478-58-0 is a valid CAS Registry Number.
128478-58-0Relevant articles and documents
Quinoxalines. XXVII. The cyanation of 2-substituted quinoxaline 4-oxides with trimethylsilyl cyanide
Iijima,Miyashita
, p. 661 - 663 (1990)
The deoxy-cyanation of 2-substituted quinoxaline 4-oxides (1a--k) with trimethylsilyl cyanide in the presence of 1,8-diazabicyclo[5.4.0.]undec-7-ene gave the corresponding 3-substituted 2-quinoxalinecarbonitriles (IIa--k). However, in the case of 2-(p-tol
