1202401-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1202401-25-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,4,0 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1202401-25:
(9*1)+(8*2)+(7*0)+(6*2)+(5*4)+(4*0)+(3*1)+(2*2)+(1*5)=69
69 % 10 = 9
So 1202401-25-9 is a valid CAS Registry Number.