861903-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861903-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,9,0 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 861903-83:
(8*8)+(7*6)+(6*1)+(5*9)+(4*0)+(3*3)+(2*8)+(1*3)=185
185 % 10 = 5
So 861903-83-5 is a valid CAS Registry Number.
861903-83-5Relevant academic research and scientific papers
Free radical ring expansion and chain extension of 1,3-diketones
Mu, Xue-Jun,Zou, Jian-Ping,Wang, Zhi-Tao,Zhang, Wei
, p. 4727 - 4729 (2007/10/03)
Free radical-promoted one carbon ring expansion and chain extension of 1,3-diketones including 1,3-diarylpropane-1,3-diones and 2-aroyl-3,4-dihydro-2H- naphalen-1-one to generate corresponding 1,4-diketones are described.
