6648-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6648-14-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,4 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6648-14:
(6*6)+(5*6)+(4*4)+(3*8)+(2*1)+(1*4)=112
112 % 10 = 2
So 6648-14-2 is a valid CAS Registry Number.