19213-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19213-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,2,1 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19213-03:
(7*1)+(6*9)+(5*2)+(4*1)+(3*3)+(2*0)+(1*3)=87
87 % 10 = 7
So 19213-03-7 is a valid CAS Registry Number.
19213-03-7Relevant articles and documents
Synthesis of Phenyl Phosphorodiamidates
Roth, Hermann J.,Lenig, Arthur R.,Stock, Wilfried
, p. 85 - 91 (2007/10/02)
Two procedures are described for the synthesis of phenyl phosphorodiamidates in high yields.These compounds can be represented by the general formula 6 and are used for cyclisation reactions leading to phosphabarbituric acids.