859322-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859322-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,3,2 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 859322-91:
(8*8)+(7*5)+(6*9)+(5*3)+(4*2)+(3*2)+(2*9)+(1*1)=201
201 % 10 = 1
So 859322-91-1 is a valid CAS Registry Number.