1040201-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040201-53-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,2,0 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1040201-53:
(9*1)+(8*0)+(7*4)+(6*0)+(5*2)+(4*0)+(3*1)+(2*5)+(1*3)=63
63 % 10 = 3
So 1040201-53-3 is a valid CAS Registry Number.