263870-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263870-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,8,7 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 263870-19:
(8*2)+(7*6)+(6*3)+(5*8)+(4*7)+(3*0)+(2*1)+(1*9)=155
155 % 10 = 5
So 263870-19-5 is a valid CAS Registry Number.