2818-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2818-72-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,1 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2818-72:
(6*2)+(5*8)+(4*1)+(3*8)+(2*7)+(1*2)=96
96 % 10 = 6
So 2818-72-6 is a valid CAS Registry Number.