180572-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180572-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,5,7 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 180572-57:
(8*1)+(7*8)+(6*0)+(5*5)+(4*7)+(3*2)+(2*5)+(1*7)=140
140 % 10 = 0
So 180572-57-0 is a valid CAS Registry Number.
180572-57-0Relevant articles and documents
Iodotrimethylsilane-induced cyclization of 6-alkynal acetals
Takami,Yorimitsu,Shinokubo,Matsubara,Oshima
, p. 293 - 295 (2007/10/03)
Treatment of 7-phenyl-6-heptynal dimethyl acetal with iodotrimethylsilane afforded 2-(1-iodobenzylidene)cyclohexyl methyl ether via the intramolecular nucleophilic attack of the carbon-carbon triple bond to the oxonium ion generated by the action of iodotrimethylsilane.
