285992-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 285992-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,5,9,9 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 285992-13:
(8*2)+(7*8)+(6*5)+(5*9)+(4*9)+(3*2)+(2*1)+(1*3)=194
194 % 10 = 4
So 285992-13-4 is a valid CAS Registry Number.