71508-01-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71508-01-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,0 and 8 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71508-01:
(7*7)+(6*1)+(5*5)+(4*0)+(3*8)+(2*0)+(1*1)=105
105 % 10 = 5
So 71508-01-5 is a valid CAS Registry Number.