649568-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 649568-14-9 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, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 649568-14:
(8*6)+(7*4)+(6*9)+(5*5)+(4*6)+(3*8)+(2*1)+(1*4)=209
209 % 10 = 9
So 649568-14-9 is a valid CAS Registry Number.