649579-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 649579-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,9,5,7 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 649579-11:
(8*6)+(7*4)+(6*9)+(5*5)+(4*7)+(3*9)+(2*1)+(1*1)=213
213 % 10 = 3
So 649579-11-3 is a valid CAS Registry Number.