155448-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155448-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,4,4 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 155448-57:
(8*1)+(7*5)+(6*5)+(5*4)+(4*4)+(3*8)+(2*5)+(1*7)=150
150 % 10 = 0
So 155448-57-0 is a valid CAS Registry Number.