71256-94-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71256-94-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,5 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 71256-94:
(7*7)+(6*1)+(5*2)+(4*5)+(3*6)+(2*9)+(1*4)=125
125 % 10 = 5
So 71256-94-5 is a valid CAS Registry Number.