136559-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136559-68-7 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 8 respectively.
Calculate Digit Verification of CAS Registry Number 136559-68:
(8*1)+(7*3)+(6*6)+(5*5)+(4*5)+(3*9)+(2*6)+(1*8)=157
157 % 10 = 7
So 136559-68-7 is a valid CAS Registry Number.
136559-68-7Relevant articles and documents
Synthesis of silicon-functionalized dimethylsilyl enol ethers from ketones
Rathke,Weipert
, p. 1337 - 1351 (2007/10/02)
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
