1212148-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212148-80-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,1,4 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1212148-80:
(9*1)+(8*2)+(7*1)+(6*2)+(5*1)+(4*4)+(3*8)+(2*8)+(1*0)=105
105 % 10 = 5
So 1212148-80-5 is a valid CAS Registry Number.