1878-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1878-99-5 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, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1878-99:
(6*1)+(5*8)+(4*7)+(3*8)+(2*9)+(1*9)=125
125 % 10 = 5
So 1878-99-5 is a valid CAS Registry Number.