880649-78-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 880649-78-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,6,4 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 880649-78:
(8*8)+(7*8)+(6*0)+(5*6)+(4*4)+(3*9)+(2*7)+(1*8)=215
215 % 10 = 5
So 880649-78-5 is a valid CAS Registry Number.