120209-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120209-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,0 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 120209-74:
(8*1)+(7*2)+(6*0)+(5*2)+(4*0)+(3*9)+(2*7)+(1*4)=77
77 % 10 = 7
So 120209-74-7 is a valid CAS Registry Number.