263879-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263879-45-4 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 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 263879-45:
(8*2)+(7*6)+(6*3)+(5*8)+(4*7)+(3*9)+(2*4)+(1*5)=184
184 % 10 = 4
So 263879-45-4 is a valid CAS Registry Number.