857815-22-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857815-22-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,8,1 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 857815-22:
(8*8)+(7*5)+(6*7)+(5*8)+(4*1)+(3*5)+(2*2)+(1*2)=206
206 % 10 = 6
So 857815-22-6 is a valid CAS Registry Number.