139524-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139524-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,2 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139524-50:
(8*1)+(7*3)+(6*9)+(5*5)+(4*2)+(3*4)+(2*5)+(1*0)=138
138 % 10 = 8
So 139524-50-8 is a valid CAS Registry Number.
139524-50-8Relevant articles and documents
Diastereoselective Sulfenylation Reactions Employing N-(Phenylthio)lactams under Nonbasic Conditions
Wilson, Lawrence J.,Liotta, Dennis C.
, p. 1948 - 1950 (1992)
Silyl enol ethers and silyl ketene acetals react with sulfenamides in the presence of trimethylsilyl triflate to give the corresponding trans-sulfenylated ketones and lactones.
