7392-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7392-47-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,9 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7392-47:
(6*7)+(5*3)+(4*9)+(3*2)+(2*4)+(1*7)=114
114 % 10 = 4
So 7392-47-4 is a valid CAS Registry Number.