553679-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 553679-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,3,6,7 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 553679-22:
(8*5)+(7*5)+(6*3)+(5*6)+(4*7)+(3*9)+(2*2)+(1*2)=184
184 % 10 = 4
So 553679-22-4 is a valid CAS Registry Number.