851915-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851915-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,9,1 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 851915-71:
(8*8)+(7*5)+(6*1)+(5*9)+(4*1)+(3*5)+(2*7)+(1*1)=184
184 % 10 = 4
So 851915-71-4 is a valid CAS Registry Number.