154568-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154568-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,5,6 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 154568-31:
(8*1)+(7*5)+(6*4)+(5*5)+(4*6)+(3*8)+(2*3)+(1*1)=147
147 % 10 = 7
So 154568-31-7 is a valid CAS Registry Number.