3653-04-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3653-04-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,5 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3653-04:
(6*3)+(5*6)+(4*5)+(3*3)+(2*0)+(1*4)=81
81 % 10 = 1
So 3653-04-1 is a valid CAS Registry Number.