859983-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859983-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,8 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 859983-98:
(8*8)+(7*5)+(6*9)+(5*9)+(4*8)+(3*3)+(2*9)+(1*8)=265
265 % 10 = 5
So 859983-98-5 is a valid CAS Registry Number.