471271-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 471271-17-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,1,2,7 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 471271-17:
(8*4)+(7*7)+(6*1)+(5*2)+(4*7)+(3*1)+(2*1)+(1*7)=137
137 % 10 = 7
So 471271-17-7 is a valid CAS Registry Number.