857256-41-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857256-41-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,5 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 857256-41:
(8*8)+(7*5)+(6*7)+(5*2)+(4*5)+(3*6)+(2*4)+(1*1)=198
198 % 10 = 8
So 857256-41-8 is a valid CAS Registry Number.