154716-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154716-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,7,1 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 154716-03:
(8*1)+(7*5)+(6*4)+(5*7)+(4*1)+(3*6)+(2*0)+(1*3)=127
127 % 10 = 7
So 154716-03-7 is a valid CAS Registry Number.