2859-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2859-84-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,5 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2859-84:
(6*2)+(5*8)+(4*5)+(3*9)+(2*8)+(1*4)=119
119 % 10 = 9
So 2859-84-9 is a valid CAS Registry Number.