20008-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20008-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,0 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20008-13:
(7*2)+(6*0)+(5*0)+(4*0)+(3*8)+(2*1)+(1*3)=43
43 % 10 = 3
So 20008-13-3 is a valid CAS Registry Number.