71574-64-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71574-64-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,7 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 71574-64:
(7*7)+(6*1)+(5*5)+(4*7)+(3*4)+(2*6)+(1*4)=136
136 % 10 = 6
So 71574-64-6 is a valid CAS Registry Number.