278181-10-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 278181-10-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,8,1,8 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 278181-10:
(8*2)+(7*7)+(6*8)+(5*1)+(4*8)+(3*1)+(2*1)+(1*0)=155
155 % 10 = 5
So 278181-10-5 is a valid CAS Registry Number.