71515-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71515-06-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,1 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71515-06:
(7*7)+(6*1)+(5*5)+(4*1)+(3*5)+(2*0)+(1*6)=105
105 % 10 = 5
So 71515-06-5 is a valid CAS Registry Number.