303147-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303147-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,1,4 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 303147-03:
(8*3)+(7*0)+(6*3)+(5*1)+(4*4)+(3*7)+(2*0)+(1*3)=87
87 % 10 = 7
So 303147-03-7 is a valid CAS Registry Number.