71195-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71195-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,9 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71195-18:
(7*7)+(6*1)+(5*1)+(4*9)+(3*5)+(2*1)+(1*8)=121
121 % 10 = 1
So 71195-18-1 is a valid CAS Registry Number.