861853-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861853-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,8,5 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 861853-58:
(8*8)+(7*6)+(6*1)+(5*8)+(4*5)+(3*3)+(2*5)+(1*8)=199
199 % 10 = 9
So 861853-58-9 is a valid CAS Registry Number.