20003-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20003-41-2 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 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20003-41:
(7*2)+(6*0)+(5*0)+(4*0)+(3*3)+(2*4)+(1*1)=32
32 % 10 = 2
So 20003-41-2 is a valid CAS Registry Number.