77202-88-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77202-88-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,0 and 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77202-88:
(7*7)+(6*7)+(5*2)+(4*0)+(3*2)+(2*8)+(1*8)=131
131 % 10 = 1
So 77202-88-1 is a valid CAS Registry Number.
77202-88-1Relevant articles and documents
Synthesis of Phenyl Phosphorodiamidates
Roth, Hermann J.,Lenig, Arthur R.,Stock, Wilfried
, p. 85 - 91 (1981)
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.