392-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 392-49-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,9 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 392-49:
(5*3)+(4*9)+(3*2)+(2*4)+(1*9)=74
74 % 10 = 4
So 392-49-4 is a valid CAS Registry Number.