7646-46-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7646-46-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,4 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7646-46:
(6*7)+(5*6)+(4*4)+(3*6)+(2*4)+(1*6)=120
120 % 10 = 0
So 7646-46-0 is a valid CAS Registry Number.