654664-79-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 654664-79-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,4,6,6 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 654664-79:
(8*6)+(7*5)+(6*4)+(5*6)+(4*6)+(3*4)+(2*7)+(1*9)=196
196 % 10 = 6
So 654664-79-6 is a valid CAS Registry Number.