84681-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84681-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,6,8 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84681-28:
(7*8)+(6*4)+(5*6)+(4*8)+(3*1)+(2*2)+(1*8)=157
157 % 10 = 7
So 84681-28-7 is a valid CAS Registry Number.