174971-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174971-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,9,7 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 174971-56:
(8*1)+(7*7)+(6*4)+(5*9)+(4*7)+(3*1)+(2*5)+(1*6)=173
173 % 10 = 3
So 174971-56-3 is a valid CAS Registry Number.