85842-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85842-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,8,4 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85842-71:
(7*8)+(6*5)+(5*8)+(4*4)+(3*2)+(2*7)+(1*1)=163
163 % 10 = 3
So 85842-71-3 is a valid CAS Registry Number.