654650-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 654650-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,4,6,5 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 654650-07:
(8*6)+(7*5)+(6*4)+(5*6)+(4*5)+(3*0)+(2*0)+(1*7)=164
164 % 10 = 4
So 654650-07-4 is a valid CAS Registry Number.