1207989-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1207989-09-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,9,8 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1207989-09:
(9*1)+(8*2)+(7*0)+(6*7)+(5*9)+(4*8)+(3*9)+(2*0)+(1*9)=180
180 % 10 = 0
So 1207989-09-0 is a valid CAS Registry Number.