83438-73-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83438-73-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,3 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83438-73:
(7*8)+(6*3)+(5*4)+(4*3)+(3*8)+(2*7)+(1*3)=147
147 % 10 = 7
So 83438-73-7 is a valid CAS Registry Number.
83438-73-7Relevant academic research and scientific papers
A NUCLEOPHILIC REACTION OF A PHOSPHAALKENE: THE METHYLATION OF MESITYLDIPENYLMETHYLENEPHOSPHINE
Knaap, Th. A. van der,Bickelhaupt, F.
, p. 2037 - 2040 (2007/10/02)
The reaction of the title compound (1) with methyl iodide gives the ylide 3 and the phosphonium salt 4.The intermediate formation of the phosphoniaalkene 2 is postulated.
