284679-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 284679-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,4,6,7 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 284679-53:
(8*2)+(7*8)+(6*4)+(5*6)+(4*7)+(3*9)+(2*5)+(1*3)=194
194 % 10 = 4
So 284679-53-4 is a valid CAS Registry Number.