1288989-75-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1288989-75-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,8,9,8 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1288989-75:
(9*1)+(8*2)+(7*8)+(6*8)+(5*9)+(4*8)+(3*9)+(2*7)+(1*5)=252
252 % 10 = 2
So 1288989-75-2 is a valid CAS Registry Number.