71504-35-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71504-35-3 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 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71504-35:
(7*7)+(6*1)+(5*5)+(4*0)+(3*4)+(2*3)+(1*5)=103
103 % 10 = 3
So 71504-35-3 is a valid CAS Registry Number.