71121-94-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71121-94-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,2 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 71121-94:
(7*7)+(6*1)+(5*1)+(4*2)+(3*1)+(2*9)+(1*4)=93
93 % 10 = 3
So 71121-94-3 is a valid CAS Registry Number.