1574543-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1574543-73-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,4,5,4 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1574543-73:
(9*1)+(8*5)+(7*7)+(6*4)+(5*5)+(4*4)+(3*3)+(2*7)+(1*3)=189
189 % 10 = 9
So 1574543-73-9 is a valid CAS Registry Number.