172544-70-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172544-70-6 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 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 172544-70:
(8*1)+(7*7)+(6*2)+(5*5)+(4*4)+(3*4)+(2*7)+(1*0)=136
136 % 10 = 6
So 172544-70-6 is a valid CAS Registry Number.