650590-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 650590-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,0,5,9 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 650590-84:
(8*6)+(7*5)+(6*0)+(5*5)+(4*9)+(3*0)+(2*8)+(1*4)=164
164 % 10 = 4
So 650590-84-4 is a valid CAS Registry Number.