1289069-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1289069-40-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,0,6 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1289069-40:
(9*1)+(8*2)+(7*8)+(6*9)+(5*0)+(4*6)+(3*9)+(2*4)+(1*0)=194
194 % 10 = 4
So 1289069-40-4 is a valid CAS Registry Number.