117616-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117616-04-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,1 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117616-04:
(8*1)+(7*1)+(6*7)+(5*6)+(4*1)+(3*6)+(2*0)+(1*4)=113
113 % 10 = 3
So 117616-04-3 is a valid CAS Registry Number.
117616-04-3Relevant articles and documents
Intramolecular Peterson Olefination of ortho-Trimethylsilylmethyl Anilides: a New Synthesis of N-Methylindoles
Bartoli, Giuseppe,Bosco, Marcella,Dalpozzo, Renato,Todesco, Paolo E.
, p. 807 - 808 (2007/10/02)
A modified Madelung synthesis of indoles by cyclisation of ortho-trimethylsilylmethyl anilides under mild conditions is reported.