6229-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6229-28-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,2 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6229-28:
(6*6)+(5*2)+(4*2)+(3*9)+(2*2)+(1*8)=93
93 % 10 = 3
So 6229-28-3 is a valid CAS Registry Number.