859742-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859742-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,7,4 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 859742-09:
(8*8)+(7*5)+(6*9)+(5*7)+(4*4)+(3*2)+(2*0)+(1*9)=219
219 % 10 = 9
So 859742-09-9 is a valid CAS Registry Number.