252009-73-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 252009-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,0,0 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 252009-73:
(8*2)+(7*5)+(6*2)+(5*0)+(4*0)+(3*9)+(2*7)+(1*3)=107
107 % 10 = 7
So 252009-73-7 is a valid CAS Registry Number.