87902-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87902-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,0 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 87902-66:
(7*8)+(6*7)+(5*9)+(4*0)+(3*2)+(2*6)+(1*6)=167
167 % 10 = 7
So 87902-66-7 is a valid CAS Registry Number.
87902-66-7Relevant academic research and scientific papers
Hart, Harold,Lin, Lon-Tang W.
, p. 575 - 578 (1985)
Irradiation of 1,2,2-trimesitylethanone 1 gives the enol ethers 3 via 1,3-mesityl shift in a highly efficient process; the postulated intermediacy of 1 in the photoisomerisation of enol 2 is confirmed.