2278-04-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2278-04-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,7 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2278-04:
(6*2)+(5*2)+(4*7)+(3*8)+(2*0)+(1*4)=78
78 % 10 = 8
So 2278-04-8 is a valid CAS Registry Number.