51687-24-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51687-24-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,8 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51687-24:
(7*5)+(6*1)+(5*6)+(4*8)+(3*7)+(2*2)+(1*4)=132
132 % 10 = 2
So 51687-24-2 is a valid CAS Registry Number.
51687-24-2Relevant articles and documents
A New Synthesis of Imidazoles
Casey, Michael,Moody, Christopher J.,Rees, Charles W.
, p. 714 - 715 (2007/10/02)
Alkenes are converted into imidazoles through their epoxides by treatment with 2-tri-n-butylstannyltetrazoles (2), followed by dehydration with methyltriphenoxyphosphonium iodide in an improved procedure, and photolysis of the resulting vinyltetrazoles (4).