71018-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71018-04-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,0,1 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 71018-04:
(7*7)+(6*1)+(5*0)+(4*1)+(3*8)+(2*0)+(1*4)=87
87 % 10 = 7
So 71018-04-7 is a valid CAS Registry Number.