85642-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85642-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,4 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 85642-22:
(7*8)+(6*5)+(5*6)+(4*4)+(3*2)+(2*2)+(1*2)=144
144 % 10 = 4
So 85642-22-4 is a valid CAS Registry Number.