62666-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 62666-28-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,6,6 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 62666-28:
(7*6)+(6*2)+(5*6)+(4*6)+(3*6)+(2*2)+(1*8)=138
138 % 10 = 8
So 62666-28-8 is a valid CAS Registry Number.