303971-06-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303971-06-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,9,7 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 303971-06:
(8*3)+(7*0)+(6*3)+(5*9)+(4*7)+(3*1)+(2*0)+(1*6)=124
124 % 10 = 4
So 303971-06-4 is a valid CAS Registry Number.