172472-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172472-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,4,7 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 172472-58:
(8*1)+(7*7)+(6*2)+(5*4)+(4*7)+(3*2)+(2*5)+(1*8)=141
141 % 10 = 1
So 172472-58-1 is a valid CAS Registry Number.