1878-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1878-89-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,7 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1878-89:
(6*1)+(5*8)+(4*7)+(3*8)+(2*8)+(1*9)=123
123 % 10 = 3
So 1878-89-3 is a valid CAS Registry Number.