849820-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 849820-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,8,2 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 849820-89:
(8*8)+(7*4)+(6*9)+(5*8)+(4*2)+(3*0)+(2*8)+(1*9)=219
219 % 10 = 9
So 849820-89-9 is a valid CAS Registry Number.