1209343-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1209343-75-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,3,4 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1209343-75:
(9*1)+(8*2)+(7*0)+(6*9)+(5*3)+(4*4)+(3*3)+(2*7)+(1*5)=138
138 % 10 = 8
So 1209343-75-8 is a valid CAS Registry Number.