4513-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4513-71-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,1 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4513-71:
(6*4)+(5*5)+(4*1)+(3*3)+(2*7)+(1*1)=77
77 % 10 = 7
So 4513-71-7 is a valid CAS Registry Number.
4513-71-7Relevant articles and documents
SYNTHESIS OF ESTERS OF IMINOCARBONIC ACID
Lopyrev, V. A.,Kurochkin, V. N.,Titova, I. A.,Voronkov, M. G.
, p. 2174 - 2175 (2007/10/02)
The first syntheses of asymmetrical esters of iminocarbonic acid are reported.These syntheses were carried out without the separation of intermediates.