120907-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120907-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,9,0 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 120907-69:
(8*1)+(7*2)+(6*0)+(5*9)+(4*0)+(3*7)+(2*6)+(1*9)=109
109 % 10 = 9
So 120907-69-9 is a valid CAS Registry Number.