857226-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857226-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,2 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 857226-21:
(8*8)+(7*5)+(6*7)+(5*2)+(4*2)+(3*6)+(2*2)+(1*1)=182
182 % 10 = 2
So 857226-21-2 is a valid CAS Registry Number.