61922-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61922-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,9,2 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 61922-57:
(7*6)+(6*1)+(5*9)+(4*2)+(3*2)+(2*5)+(1*7)=124
124 % 10 = 4
So 61922-57-4 is a valid CAS Registry Number.