865853-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 865853-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,5,8,5 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 865853-18:
(8*8)+(7*6)+(6*5)+(5*8)+(4*5)+(3*3)+(2*1)+(1*8)=215
215 % 10 = 5
So 865853-18-5 is a valid CAS Registry Number.