157546-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157546-56-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,5,4 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157546-56:
(8*1)+(7*5)+(6*7)+(5*5)+(4*4)+(3*6)+(2*5)+(1*6)=160
160 % 10 = 0
So 157546-56-0 is a valid CAS Registry Number.