1212878-75-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212878-75-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,8,7 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1212878-75:
(9*1)+(8*2)+(7*1)+(6*2)+(5*8)+(4*7)+(3*8)+(2*7)+(1*5)=155
155 % 10 = 5
So 1212878-75-5 is a valid CAS Registry Number.