71308-38-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71308-38-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,0 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71308-38:
(7*7)+(6*1)+(5*3)+(4*0)+(3*8)+(2*3)+(1*8)=108
108 % 10 = 8
So 71308-38-8 is a valid CAS Registry Number.