851388-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851388-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,3,8 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 851388-16:
(8*8)+(7*5)+(6*1)+(5*3)+(4*8)+(3*8)+(2*1)+(1*6)=184
184 % 10 = 4
So 851388-16-4 is a valid CAS Registry Number.