1403575-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1403575-44-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,5,7 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1403575-44:
(9*1)+(8*4)+(7*0)+(6*3)+(5*5)+(4*7)+(3*5)+(2*4)+(1*4)=139
139 % 10 = 9
So 1403575-44-9 is a valid CAS Registry Number.
1403575-44-9Relevant articles and documents
Synthesis of new chiral pyrylium salts and their phosphinine and pyridine derivatives
Van Der Velde, Nelson A.,Korbitz, Holland T.,Garner, Charles M.
, p. 5742 - 5744 (2012)
Despite their versatility, chiral pyryliums are almost unknown in the literature. Reported here is the synthesis of several new chiral pyrylium salts and the corresponding pyridines and phosphinines. This work more than doubles the number of reported chir
