131251-56-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131251-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,5 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 131251-56:
(8*1)+(7*3)+(6*1)+(5*2)+(4*5)+(3*1)+(2*5)+(1*6)=84
84 % 10 = 4
So 131251-56-4 is a valid CAS Registry Number.
131251-56-4Relevant articles and documents
Generation of allenyliodinanes and their reductive iodonio-Claisen rearrangement
Ochiai, Masahito,Ito, Takao,Takaoka, Yoshikazu,Masaki, Yukio
, p. 1319 - 1323 (2007/10/02)
Reported for the first time are the generation of allenyliodinanes and their reductive iodonio-Claisen rearrangement. Reaction of propargylsilanes, germanes, and stannanes with aryliodinanes in the presence of BF3-Et2O undergoes a re
