136559-67-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136559-67-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,5,5 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 136559-67:
(8*1)+(7*3)+(6*6)+(5*5)+(4*5)+(3*9)+(2*6)+(1*7)=156
156 % 10 = 6
So 136559-67-6 is a valid CAS Registry Number.
136559-67-6Relevant articles and documents
Synthesis of silicon-functionalized dimethylsilyl enol ethers from ketones
Rathke,Weipert
, p. 1337 - 1351 (1991)
Symmetrical dimethylsilyl bis-enol ethers are obtained in good yield by reaction of ketones with dichlorodimethylsilane in the presence of triethylamine and sodium iodide. Reaction of ketones with N,N-diethylaminodimethylchlorosilane in the presence of tr