620590-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 620590-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,5,9 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 620590-26:
(8*6)+(7*2)+(6*0)+(5*5)+(4*9)+(3*0)+(2*2)+(1*6)=133
133 % 10 = 3
So 620590-26-3 is a valid CAS Registry Number.