102804-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102804-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,8,0 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102804-52:
(8*1)+(7*0)+(6*2)+(5*8)+(4*0)+(3*4)+(2*5)+(1*2)=84
84 % 10 = 4
So 102804-52-4 is a valid CAS Registry Number.
102804-52-4Relevant academic research and scientific papers
Jones, Keith,Thompson, Mervyn,Wright, Colin
, p. 115 - 116 (1986)
Treatment of the o-bromo-N-acryloylanilides (4) with tri-n-butylstannane leads to the formation of 3-substituted- and 3,3-disubstituted-2-oxindoles (5) in high yield.