855398-51-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855398-51-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,3,9 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 855398-51:
(8*8)+(7*5)+(6*5)+(5*3)+(4*9)+(3*8)+(2*5)+(1*1)=215
215 % 10 = 5
So 855398-51-5 is a valid CAS Registry Number.