1289057-68-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1289057-68-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,0,5 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1289057-68:
(9*1)+(8*2)+(7*8)+(6*9)+(5*0)+(4*5)+(3*7)+(2*6)+(1*8)=196
196 % 10 = 6
So 1289057-68-6 is a valid CAS Registry Number.