1209007-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1209007-75-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,0,0 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1209007-75:
(9*1)+(8*2)+(7*0)+(6*9)+(5*0)+(4*0)+(3*7)+(2*7)+(1*5)=119
119 % 10 = 9
So 1209007-75-9 is a valid CAS Registry Number.