14978-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14978-81-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,9,7 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 14978-81:
(7*1)+(6*4)+(5*9)+(4*7)+(3*8)+(2*8)+(1*1)=145
145 % 10 = 5
So 14978-81-5 is a valid CAS Registry Number.