84451-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84451-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,5 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84451-80:
(7*8)+(6*4)+(5*4)+(4*5)+(3*1)+(2*8)+(1*0)=139
139 % 10 = 9
So 84451-80-9 is a valid CAS Registry Number.
84451-80-9Relevant academic research and scientific papers
2,6-DICYAN-1,5-DIMETHYL-SEMIBULLVALEN
Askani, R.,Littmann, M.
, p. 3651 - 3652 (2007/10/02)
The synthesis of the title compound 8 is reported.According to the NMR data the semibullvalene 8 undergoes a degenerate Cope rearrangement.
