67284-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67284-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,8 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67284-19:
(7*6)+(6*7)+(5*2)+(4*8)+(3*4)+(2*1)+(1*9)=149
149 % 10 = 9
So 67284-19-9 is a valid CAS Registry Number.