859033-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859033-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,0,3 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 859033-21:
(8*8)+(7*5)+(6*9)+(5*0)+(4*3)+(3*3)+(2*2)+(1*1)=179
179 % 10 = 9
So 859033-21-9 is a valid CAS Registry Number.