7308-67-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7308-67-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,0 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7308-67:
(6*7)+(5*3)+(4*0)+(3*8)+(2*6)+(1*7)=100
100 % 10 = 0
So 7308-67-0 is a valid CAS Registry Number.