17971-60-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17971-60-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,7 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17971-60:
(7*1)+(6*7)+(5*9)+(4*7)+(3*1)+(2*6)+(1*0)=137
137 % 10 = 7
So 17971-60-7 is a valid CAS Registry Number.