64402-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64402-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,4,0 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64402-73:
(7*6)+(6*4)+(5*4)+(4*0)+(3*2)+(2*7)+(1*3)=109
109 % 10 = 9
So 64402-73-9 is a valid CAS Registry Number.
64402-73-9Relevant articles and documents
Synthesis of New Phosphorines
Roth, Hermann J.,Lenig, Arthur R.
, p. 585 - 589 (2007/10/02)
The synthesis of new phosphorines is described.They can be interpreted as phosphorus analogous barbituric acids in which the urea part is replaced by phosphorodiamidates.