649568-35-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 649568-35-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,9,5,6 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 649568-35:
(8*6)+(7*4)+(6*9)+(5*5)+(4*6)+(3*8)+(2*3)+(1*5)=214
214 % 10 = 4
So 649568-35-4 is a valid CAS Registry Number.