128450-34-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128450-34-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,5 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128450-34:
(8*1)+(7*2)+(6*8)+(5*4)+(4*5)+(3*0)+(2*3)+(1*4)=120
120 % 10 = 0
So 128450-34-0 is a valid CAS Registry Number.
128450-34-0Relevant articles and documents
Z-1-VINYLIODIDE DURCH WITTIG-REAKTION
Bestmann, Hans Juergen,Rippel, Hans Christoph,Dostalek, Roman
, p. 5261 - 5262 (2007/10/02)
A wide spectrum of Z-1-iodo-alkenes is available by Wittig reaction of iodomethylenetrimethylphosphorane with aldehydes.The formation of 1,1-diiodo-1-alkenes as byproducts is explained.
