154258-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154258-78-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,2,5 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 154258-78:
(8*1)+(7*5)+(6*4)+(5*2)+(4*5)+(3*8)+(2*7)+(1*8)=143
143 % 10 = 3
So 154258-78-3 is a valid CAS Registry Number.