677324-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677324-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,3,2 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 677324-84:
(8*6)+(7*7)+(6*7)+(5*3)+(4*2)+(3*4)+(2*8)+(1*4)=194
194 % 10 = 4
So 677324-84-4 is a valid CAS Registry Number.