646506-01-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 646506-01-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,6,5,0 and 6 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 646506-01:
(8*6)+(7*4)+(6*6)+(5*5)+(4*0)+(3*6)+(2*0)+(1*1)=156
156 % 10 = 6
So 646506-01-6 is a valid CAS Registry Number.