204772-79-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204772-79-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,7,7 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 204772-79:
(8*2)+(7*0)+(6*4)+(5*7)+(4*7)+(3*2)+(2*7)+(1*9)=132
132 % 10 = 2
So 204772-79-2 is a valid CAS Registry Number.