154308-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154308-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,3,0 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 154308-31:
(8*1)+(7*5)+(6*4)+(5*3)+(4*0)+(3*8)+(2*3)+(1*1)=113
113 % 10 = 3
So 154308-31-3 is a valid CAS Registry Number.