872821-08-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872821-08-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,8,2 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 872821-08:
(8*8)+(7*7)+(6*2)+(5*8)+(4*2)+(3*1)+(2*0)+(1*8)=184
184 % 10 = 4
So 872821-08-4 is a valid CAS Registry Number.