1289689-30-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1289689-30-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,6,8 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1289689-30:
(9*1)+(8*2)+(7*8)+(6*9)+(5*6)+(4*8)+(3*9)+(2*3)+(1*0)=230
230 % 10 = 0
So 1289689-30-0 is a valid CAS Registry Number.