303214-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303214-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,2,1 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 303214-22:
(8*3)+(7*0)+(6*3)+(5*2)+(4*1)+(3*4)+(2*2)+(1*2)=74
74 % 10 = 4
So 303214-22-4 is a valid CAS Registry Number.