172547-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172547-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,5,4 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172547-03:
(8*1)+(7*7)+(6*2)+(5*5)+(4*4)+(3*7)+(2*0)+(1*3)=134
134 % 10 = 4
So 172547-03-4 is a valid CAS Registry Number.