649768-10-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 649768-10-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,9,7,6 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 649768-10:
(8*6)+(7*4)+(6*9)+(5*7)+(4*6)+(3*8)+(2*1)+(1*0)=215
215 % 10 = 5
So 649768-10-5 is a valid CAS Registry Number.