54974-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54974-05-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,7 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54974-05:
(7*5)+(6*4)+(5*9)+(4*7)+(3*4)+(2*0)+(1*5)=149
149 % 10 = 9
So 54974-05-9 is a valid CAS Registry Number.
54974-05-9Relevant articles and documents
SYNTHESIS OF ARYL ORTHOCARBONATES
Narasimhamurthy, N.,Samuelson, A. G.
, p. 991 - 992 (2007/10/02)
A simple and efficient method of preparing tetraaryl orthocarbonates from copper phenoxide and carbon disulfide is described.