859943-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859943-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,4 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 859943-59:
(8*8)+(7*5)+(6*9)+(5*9)+(4*4)+(3*3)+(2*5)+(1*9)=242
242 % 10 = 2
So 859943-59-2 is a valid CAS Registry Number.