247571-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 247571-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,5,7 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 247571-71:
(8*2)+(7*4)+(6*7)+(5*5)+(4*7)+(3*1)+(2*7)+(1*1)=157
157 % 10 = 7
So 247571-71-7 is a valid CAS Registry Number.