181276-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181276-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,2,7 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 181276-91:
(8*1)+(7*8)+(6*1)+(5*2)+(4*7)+(3*6)+(2*9)+(1*1)=145
145 % 10 = 5
So 181276-91-5 is a valid CAS Registry Number.