62023-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 62023-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,0,2 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 62023-40:
(7*6)+(6*2)+(5*0)+(4*2)+(3*3)+(2*4)+(1*0)=79
79 % 10 = 9
So 62023-40-9 is a valid CAS Registry Number.