1212168-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1212168-07-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,1,6 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1212168-07:
(9*1)+(8*2)+(7*1)+(6*2)+(5*1)+(4*6)+(3*8)+(2*0)+(1*7)=104
104 % 10 = 4
So 1212168-07-4 is a valid CAS Registry Number.