71000-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71000-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,0,0 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71000-75:
(7*7)+(6*1)+(5*0)+(4*0)+(3*0)+(2*7)+(1*5)=74
74 % 10 = 4
So 71000-75-4 is a valid CAS Registry Number.