7474-32-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7474-32-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,7 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7474-32:
(6*7)+(5*4)+(4*7)+(3*4)+(2*3)+(1*2)=110
110 % 10 = 0
So 7474-32-0 is a valid CAS Registry Number.