7653-46-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7653-46-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,5 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7653-46:
(6*7)+(5*6)+(4*5)+(3*3)+(2*4)+(1*6)=115
115 % 10 = 5
So 7653-46-5 is a valid CAS Registry Number.